Attachment 347702 Details for Bug 188778 – Patch

[patch] Patch

bug-188778-20180821144031.patch (text/plain), 105.32 KB, created by Devin Rousso on 2018-08-21 14:40:31 PDT

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Creator: Devin Rousso

Created: 2018-08-21 14:40:31 PDT

Size: 105.32 KB

patch

obsolete

>diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
>index 6ed2c6bb948ba3bf8a627b01896582342135607e..74817e814f5e8f67bba8dd8207efe6d9d48d8d4c 100644
>--- a/Source/JavaScriptCore/ChangeLog
>+++ b/Source/JavaScriptCore/ChangeLog
>@@ -1,3 +1,21 @@
>+2018-08-21  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: support breakpoints for timers and animation-frame events
>+        https://bugs.webkit.org/show_bug.cgi?id=188778
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * inspector/protocol/Debugger.json:
>+        Add `AnimationFrame` and `Timer` types to the list of pause reasons.
>+
>+        * inspector/protocol/DOMDebugger.json:
>+        Replace `setInstrumentationBreakpoint` and `removeInstrumentationBreakpoint` with more
>+        specific variants for animation frames and timers:
>+         - `setEventAnimationFrameBreakpoint`
>+         - `removeEventAnimationFrameBreakpoint`
>+         - `setEventTimerBreakpoint`
>+         - `removeEventTimerBreakpoint`
>+
> 2018-08-20  Yusuke Suzuki  <utatane.tea@gmail.com>
> 
>         [YARR] Extend size of fixed characters bulk matching in 64bit platform
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index d33ed0a0891aec5fc92a63f8853ad821e4b28b42..7e26fb739eed3c8dfe496582388e18550aba92fe 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,47 @@
>+2018-08-21  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: support breakpoints for timers and animation-frame events
>+        https://bugs.webkit.org/show_bug.cgi?id=188778
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        The original implementation of "instrumentation" breakpoints relied upon the frontend
>+        sending somewhat arbitrary strings when enabling breakpoints for specific events. As an
>+        example, setting a breakpoint for `requestAnimationFrame` expects `"animationFrameFired"`
>+        as the string, which doesn't make much sense. This patch removes the usage of these strings
>+        and instead expects the agent to implement a method that matches what is happening.
>+
>+        Tests: inspector/dom-debugger/event-animation-frame-breakpoints.html
>+               inspector/dom-debugger/event-listener-breakpoints.html
>+               inspector/dom-debugger/event-timer-breakpoints.html
>+
>+        * inspector/InspectorInstrumentation.h:
>+        (WebCore::InspectorInstrumentation::willFireTimer):
>+        * inspector/InspectorInstrumentation.cpp:
>+        (WebCore::InspectorInstrumentation::didInstallTimerImpl):
>+        (WebCore::InspectorInstrumentation::didRemoveTimerImpl):
>+        (WebCore::InspectorInstrumentation::willFireTimerImpl):
>+        (WebCore::InspectorInstrumentation::didRequestAnimationFrameImpl):
>+        (WebCore::InspectorInstrumentation::didCancelAnimationFrameImpl):
>+        (WebCore::InspectorInstrumentation::willFireAnimationFrameImpl):
>+        (WebCore::InspectorInstrumentation::pauseOnNativeEventIfNeeded): Deleted.
>+
>+        * inspector/agents/InspectorDOMDebuggerAgent.h:
>+        * inspector/agents/InspectorDOMDebuggerAgent.cpp:
>+        (WebCore::InspectorDOMDebuggerAgent::setEventAnimationFrameBreakpoint): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::removeEventAnimationFrameBreakpoint): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::setEventListenerBreakpoint):
>+        (WebCore::InspectorDOMDebuggerAgent::removeEventListenerBreakpoint):
>+        (WebCore::InspectorDOMDebuggerAgent::setEventTimerBreakpoint): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::removeEventTimerBreakpoint): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::willHandleEvent):
>+        (WebCore::InspectorDOMDebuggerAgent::willFireTimer): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::willFireAnimationFrame): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::pauseOnNativeEventIfNeeded): Deleted.
>+
>+        * page/DOMTimer.cpp:
>+        (WebCore::DOMTimer::fired):
>+
> 2018-08-20  Devin Rousso  <drousso@apple.com>
> 
>         Web Inspector: allow breakpoints to be set for specific event listeners
>diff --git a/Source/WebInspectorUI/ChangeLog b/Source/WebInspectorUI/ChangeLog
>index ed1b5709bc6833de3228b1eeff5e326323cb0b1d..44e475466c00ea7a33c874653b08b96da83098ef 100644
>--- a/Source/WebInspectorUI/ChangeLog
>+++ b/Source/WebInspectorUI/ChangeLog
>@@ -1,3 +1,74 @@
>+2018-08-21  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: support breakpoints for timers and animation-frame events
>+        https://bugs.webkit.org/show_bug.cgi?id=188778
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add a `type` to `WI.EventBreakpoint` that can be:
>+         - `AnimationFrame` for `requestAnimationFrame`
>+         - `Listener` for any named DOM Event
>+         - `Timer` for `setTimeout` and `setInterval`
>+
>+        Modified `WI.EventBreakpointPopover` to provide ways for selecting these other types, which
>+        is then passed to `WI.DOMDebuggerManager`, which now calls through to the already existing
>+        `DOMDebugger.removeInstrumentationBreakpoint` and `DOMDebugger.setInstrumentationBreakpoint`
>+        that set breakpoints for the `AnimationFrame` and `Timer` events.
>+
>+        * Localizations/en.lproj/localizedStrings.js:
>+        * UserInterface/Images/EventBreakpointAnimationFrame.svg: Added.
>+        * UserInterface/Images/EventBreakpointListener.svg: Renamed from Source/WebInspectorUI/UserInterface/Images/EventBreakpoint.svg.
>+        * UserInterface/Images/EventBreakpointTimer.svg: Added.
>+
>+        * UserInterface/Controllers/DOMDebuggerManager.js:
>+        (WI.DOMDebuggerManager.supportsEventAnimationFrameBreakpoints): Added.
>+        (WI.DOMDebuggerManager.supportsEventListenerBreakpoints): Added.
>+        (WI.DOMDebuggerManager.supportsEventTimerBreakpoints): Added.
>+        (WI.DOMDebuggerManager.prototype.eventBreakpointForTypeAndEventName): Added.
>+        (WI.DOMDebuggerManager.prototype.addEventBreakpoint):
>+        (WI.DOMDebuggerManager.prototype.removeEventBreakpoint.breakpointRemoved): Added.
>+        (WI.DOMDebuggerManager.prototype.removeEventBreakpoint):
>+        (WI.DOMDebuggerManager.prototype._updateEventBreakpoint):
>+        (WI.DOMDebuggerManager.prototype.eventBreakpointForEventName): Deleted.
>+
>+        * UserInterface/Controllers/DOMTreeManager.js:
>+        (WI.DOMTreeManager.prototype.setBreakpointForEventListener):
>+
>+        * UserInterface/Controllers/DebuggerManager.js:
>+        (WI.DebuggerManager.prototype._pauseReasonFromPayload):
>+
>+        * UserInterface/Models/EventBreakpoint.js:
>+        (WI.EventBreakpoint):
>+        (WI.EventBreakpoint.fromPayload):
>+        (WI.EventBreakpoint.prototype.get type): Added.
>+        (WI.EventBreakpoint.prototype.get serializableInfo):
>+        (WI.EventBreakpoint.prototype.saveIdentityToCookie):
>+
>+        * UserInterface/Views/DebuggerSidebarPanel.js:
>+        (WI.DebuggerSidebarPanel.prototype._updatePauseReasonSection):
>+        (WI.DebuggerSidebarPanel.prototype.willDismissPopover):
>+
>+        * UserInterface/Views/EventBreakpointPopover.js:
>+        (WI.EventBreakpointPopover):
>+        (WI.EventBreakpointPopover.prototype.get breakpoint): Added.
>+        (WI.EventBreakpointPopover.prototype.show):
>+        (WI.EventBreakpointPopover.prototype.dismiss): Added.
>+        (WI.EventBreakpointPopover.prototype._presentOverTargetElement):
>+        (WI.EventBreakpointPopover.prototype._handleTypeSelectChange): Added.
>+        (WI.EventBreakpointPopover.prototype.get result): Deleted.
>+        (WI.EventBreakpointPopover.prototype.get value): Deleted.
>+        * UserInterface/Views/EventBreakpointPopover.css:
>+        (.popover .event-breakpoint-content > .event-type): Added.
>+        (.popover .event-breakpoint-content > input): Deleted.
>+
>+        * UserInterface/Views/EventBreakpointTreeElement.js:
>+        (WI.EventBreakpointTreeElement):
>+        * UserInterface/Views/EventBreakpointTreeElement.css:
>+        (.breakpoint.event.animation-frame:not(.breakpoint-paused-icon) .icon): Added.
>+        (.breakpoint.event.listener:not(.breakpoint-paused-icon) .icon): Added.
>+        (.breakpoint.event.timer:not(.breakpoint-paused-icon) .icon): Added.
>+        (.breakpoint.event:not(.breakpoint-paused-icon) .icon): Deleted.
>+
> 2018-08-20  Devin Rousso  <drousso@apple.com>
> 
>         Web Inspector: allow breakpoints to be set for specific event listeners
>diff --git a/Source/JavaScriptCore/inspector/protocol/DOMDebugger.json b/Source/JavaScriptCore/inspector/protocol/DOMDebugger.json
>index 04c176160019f4898082619acd93e5ce8c1815da..c23e48bc1c570b22ef251efa5e306d66571079c9 100644
>--- a/Source/JavaScriptCore/inspector/protocol/DOMDebugger.json
>+++ b/Source/JavaScriptCore/inspector/protocol/DOMDebugger.json
>@@ -27,6 +27,20 @@
>                 { "name": "type", "$ref": "DOMBreakpointType", "description": "Type of the breakpoint to remove." }
>             ]
>         },
>+        {
>+            "name": "setEventAnimationFrameBreakpoint",
>+            "description": "Sets breakpoint on particular animation frame event.",
>+            "parameters": [
>+                { "name": "eventName", "type": "string", "description": "Animation frame event name to stop on." }
>+            ]
>+        },
>+        {
>+            "name": "removeEventAnimationFrameBreakpoint",
>+            "description": "Sets breakpoint on particular animation frame event.",
>+            "parameters": [
>+                { "name": "eventName", "type": "string", "description": "Animation frame event name to stop on." }
>+            ]
>+        },
>         {
>             "name": "setEventListenerBreakpoint",
>             "description": "Sets breakpoint on particular DOM event.",
>@@ -42,17 +56,17 @@
>             ]
>         },
>         {
>-            "name": "setInstrumentationBreakpoint",
>-            "description": "Sets breakpoint on particular native event.",
>+            "name": "setEventTimerBreakpoint",
>+            "description": "Sets breakpoint on particular timer event.",
>             "parameters": [
>-                { "name": "eventName", "type": "string", "description": "Instrumentation name to stop on." }
>+                { "name": "eventName", "type": "string", "description": "Timer event name to stop on." }
>             ]
>         },
>         {
>-            "name": "removeInstrumentationBreakpoint",
>-            "description": "Sets breakpoint on particular native event.",
>+            "name": "removeEventTimerBreakpoint",
>+            "description": "Sets breakpoint on particular timer event.",
>             "parameters": [
>-                { "name": "eventName", "type": "string", "description": "Instrumentation name to stop on." }
>+                { "name": "eventName", "type": "string", "description": "Timer event name to stop on." }
>             ]
>         },
>         {
>diff --git a/Source/JavaScriptCore/inspector/protocol/Debugger.json b/Source/JavaScriptCore/inspector/protocol/Debugger.json
>index 045b91ffebbd08885485a883aae44d1f174d67b3..3143141247813d2f0c47863e3dd159a8fed54c5e 100644
>--- a/Source/JavaScriptCore/inspector/protocol/Debugger.json
>+++ b/Source/JavaScriptCore/inspector/protocol/Debugger.json
>@@ -341,7 +341,7 @@
>             "description": "Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.",
>             "parameters": [
>                 { "name": "callFrames", "type": "array", "items": { "$ref": "CallFrame" }, "description": "Call stack the virtual machine stopped on." },
>-                { "name": "reason", "type": "string", "enum": ["XHR", "DOM", "EventListener", "exception", "assert", "CSPViolation", "DebuggerStatement", "Breakpoint", "PauseOnNextStatement", "other"], "description": "Pause reason." },
>+                { "name": "reason", "type": "string", "enum": ["XHR", "DOM", "AnimationFrame", "EventListener", "Timer", "exception", "assert", "CSPViolation", "DebuggerStatement", "Breakpoint", "PauseOnNextStatement", "other"], "description": "Pause reason." },
>                 { "name": "data", "type": "object", "optional": true, "description": "Object containing break-specific auxiliary properties." },
>                 { "name": "asyncStackTrace", "$ref": "Console.StackTrace", "optional": true, "description": "Linked list of asynchronous StackTraces." }
>             ]
>diff --git a/Source/WebCore/inspector/InspectorInstrumentation.cpp b/Source/WebCore/inspector/InspectorInstrumentation.cpp
>index 41b7877161fa1bd8da5851d74da73b0fbefa32bf..7f7f126e0471dc4e820c96df4a8648e20972f865 100644
>--- a/Source/WebCore/inspector/InspectorInstrumentation.cpp
>+++ b/Source/WebCore/inspector/InspectorInstrumentation.cpp
>@@ -76,13 +76,6 @@ namespace WebCore {
> 
> using namespace Inspector;
> 
>-static const char* const requestAnimationFrameEventName = "requestAnimationFrame";
>-static const char* const cancelAnimationFrameEventName = "cancelAnimationFrame";
>-static const char* const animationFrameFiredEventName = "animationFrameFired";
>-static const char* const setTimerEventName = "setTimer";
>-static const char* const clearTimerEventName = "clearTimer";
>-static const char* const timerFiredEventName = "timerFired";
>-
> namespace {
> static HashSet<InstrumentingAgents*>* s_instrumentingAgentsSet = nullptr;
> }
>@@ -294,8 +287,6 @@ void InspectorInstrumentation::willSendXMLHttpRequestImpl(InstrumentingAgents& i
> 
> void InspectorInstrumentation::didInstallTimerImpl(InstrumentingAgents& instrumentingAgents, int timerId, Seconds timeout, bool singleShot, ScriptExecutionContext& context)
> {
>-    pauseOnNativeEventIfNeeded(instrumentingAgents, setTimerEventName, true);
>-
>     if (InspectorDebuggerAgent* debuggerAgent = instrumentingAgents.inspectorDebuggerAgent())
>         debuggerAgent->didScheduleAsyncCall(context.execState(), InspectorDebuggerAgent::AsyncCallType::DOMTimer, timerId, singleShot);
> 
>@@ -305,8 +296,6 @@ void InspectorInstrumentation::didInstallTimerImpl(InstrumentingAgents& instrume
> 
> void InspectorInstrumentation::didRemoveTimerImpl(InstrumentingAgents& instrumentingAgents, int timerId, ScriptExecutionContext& context)
> {
>-    pauseOnNativeEventIfNeeded(instrumentingAgents, clearTimerEventName, true);
>-
>     if (InspectorDebuggerAgent* debuggerAgent = instrumentingAgents.inspectorDebuggerAgent())
>         debuggerAgent->didCancelAsyncCall(InspectorDebuggerAgent::AsyncCallType::DOMTimer, timerId);
>     if (InspectorTimelineAgent* timelineAgent = instrumentingAgents.inspectorTimelineAgent())
>@@ -443,13 +432,14 @@ void InspectorInstrumentation::didEvaluateScriptImpl(const InspectorInstrumentat
>         timelineAgent->didEvaluateScript(frame);
> }
> 
>-InspectorInstrumentationCookie InspectorInstrumentation::willFireTimerImpl(InstrumentingAgents& instrumentingAgents, int timerId, ScriptExecutionContext& context)
>+InspectorInstrumentationCookie InspectorInstrumentation::willFireTimerImpl(InstrumentingAgents& instrumentingAgents, int timerId, bool oneShot, ScriptExecutionContext& context)
> {
>-    pauseOnNativeEventIfNeeded(instrumentingAgents, timerFiredEventName, false);
>-
>     if (InspectorDebuggerAgent* debuggerAgent = instrumentingAgents.inspectorDebuggerAgent())
>         debuggerAgent->willDispatchAsyncCall(InspectorDebuggerAgent::AsyncCallType::DOMTimer, timerId);
> 
>+    if (InspectorDOMDebuggerAgent* domDebuggerAgent = instrumentingAgents.inspectorDOMDebuggerAgent())
>+        domDebuggerAgent->willFireTimer(oneShot);
>+
>     int timelineAgentId = 0;
>     if (InspectorTimelineAgent* timelineAgent = instrumentingAgents.inspectorTimelineAgent()) {
>         timelineAgent->willFireTimer(timerId, frameForScriptExecutionContext(context));
>@@ -1044,16 +1034,8 @@ bool InspectorInstrumentation::timelineAgentEnabled(ScriptExecutionContext* scri
>     return instrumentingAgents && instrumentingAgents->inspectorTimelineAgent();
> }
> 
>-void InspectorInstrumentation::pauseOnNativeEventIfNeeded(InstrumentingAgents& instrumentingAgents, const String& eventName, bool synchronous)
>-{
>-    if (InspectorDOMDebuggerAgent* domDebuggerAgent = instrumentingAgents.inspectorDOMDebuggerAgent())
>-        domDebuggerAgent->pauseOnNativeEventIfNeeded(eventName, synchronous);
>-}
>-
> void InspectorInstrumentation::didRequestAnimationFrameImpl(InstrumentingAgents& instrumentingAgents, int callbackId, Document& document)
> {
>-    pauseOnNativeEventIfNeeded(instrumentingAgents, requestAnimationFrameEventName, true);
>-
>     if (PageDebuggerAgent* pageDebuggerAgent = instrumentingAgents.pageDebuggerAgent())
>         pageDebuggerAgent->didRequestAnimationFrame(callbackId, document);
>     if (InspectorTimelineAgent* timelineAgent = instrumentingAgents.inspectorTimelineAgent())
>@@ -1062,8 +1044,6 @@ void InspectorInstrumentation::didRequestAnimationFrameImpl(InstrumentingAgents&
> 
> void InspectorInstrumentation::didCancelAnimationFrameImpl(InstrumentingAgents& instrumentingAgents, int callbackId, Document& document)
> {
>-    pauseOnNativeEventIfNeeded(instrumentingAgents, cancelAnimationFrameEventName, true);
>-
>     if (PageDebuggerAgent* pageDebuggerAgent = instrumentingAgents.pageDebuggerAgent())
>         pageDebuggerAgent->didCancelAnimationFrame(callbackId);
>     if (InspectorTimelineAgent* timelineAgent = instrumentingAgents.inspectorTimelineAgent())
>@@ -1072,11 +1052,12 @@ void InspectorInstrumentation::didCancelAnimationFrameImpl(InstrumentingAgents&
> 
> InspectorInstrumentationCookie InspectorInstrumentation::willFireAnimationFrameImpl(InstrumentingAgents& instrumentingAgents, int callbackId, Document& document)
> {
>-    pauseOnNativeEventIfNeeded(instrumentingAgents, animationFrameFiredEventName, false);
>-
>     if (PageDebuggerAgent* pageDebuggerAgent = instrumentingAgents.pageDebuggerAgent())
>         pageDebuggerAgent->willFireAnimationFrame(callbackId);
> 
>+    if (InspectorDOMDebuggerAgent* domDebuggerAgent = instrumentingAgents.inspectorDOMDebuggerAgent())
>+        domDebuggerAgent->willFireAnimationFrame();
>+
>     int timelineAgentId = 0;
>     if (InspectorTimelineAgent* timelineAgent = instrumentingAgents.inspectorTimelineAgent()) {
>         timelineAgent->willFireAnimationFrame(callbackId, document.frame());
>diff --git a/Source/WebCore/inspector/InspectorInstrumentation.h b/Source/WebCore/inspector/InspectorInstrumentation.h
>index 622fc5602070a4481c72ab65ed5b6e6c71be0d46..dde2122cced00a8e320cf44098fad06657647970 100644
>--- a/Source/WebCore/inspector/InspectorInstrumentation.h
>+++ b/Source/WebCore/inspector/InspectorInstrumentation.h
>@@ -157,7 +157,7 @@ public:
>     static void didDispatchEventOnWindow(const InspectorInstrumentationCookie&);
>     static InspectorInstrumentationCookie willEvaluateScript(Frame&, const String& url, int lineNumber);
>     static void didEvaluateScript(const InspectorInstrumentationCookie&, Frame&);
>-    static InspectorInstrumentationCookie willFireTimer(ScriptExecutionContext&, int timerId);
>+    static InspectorInstrumentationCookie willFireTimer(ScriptExecutionContext&, int timerId, bool oneShot);
>     static void didFireTimer(const InspectorInstrumentationCookie&);
>     static void didInvalidateLayout(Frame&);
>     static InspectorInstrumentationCookie willLayout(Frame&);
>@@ -341,7 +341,7 @@ private:
>     static void didDispatchEventOnWindowImpl(const InspectorInstrumentationCookie&);
>     static InspectorInstrumentationCookie willEvaluateScriptImpl(InstrumentingAgents&, Frame&, const String& url, int lineNumber);
>     static void didEvaluateScriptImpl(const InspectorInstrumentationCookie&, Frame&);
>-    static InspectorInstrumentationCookie willFireTimerImpl(InstrumentingAgents&, int timerId, ScriptExecutionContext&);
>+    static InspectorInstrumentationCookie willFireTimerImpl(InstrumentingAgents&, int timerId, bool oneShot, ScriptExecutionContext&);
>     static void didFireTimerImpl(const InspectorInstrumentationCookie&);
>     static void didInvalidateLayoutImpl(InstrumentingAgents&, Frame&);
>     static InspectorInstrumentationCookie willLayoutImpl(InstrumentingAgents&, Frame&);
>@@ -453,8 +453,6 @@ private:
> 
>     static InspectorTimelineAgent* retrieveTimelineAgent(const InspectorInstrumentationCookie&);
> 
>-    static void pauseOnNativeEventIfNeeded(InstrumentingAgents&, const String& eventName, bool synchronous);
>-
>     WEBCORE_EXPORT static int s_frontendCounter;
> };
> 
>@@ -807,11 +805,11 @@ inline void InspectorInstrumentation::didEvaluateScript(const InspectorInstrumen
>         didEvaluateScriptImpl(cookie, frame);
> }
> 
>-inline InspectorInstrumentationCookie InspectorInstrumentation::willFireTimer(ScriptExecutionContext& context, int timerId)
>+inline InspectorInstrumentationCookie InspectorInstrumentation::willFireTimer(ScriptExecutionContext& context, int timerId, bool oneShot)
> {
>     FAST_RETURN_IF_NO_FRONTENDS(InspectorInstrumentationCookie());
>     if (InstrumentingAgents* instrumentingAgents = instrumentingAgentsForContext(context))
>-        return willFireTimerImpl(*instrumentingAgents, timerId, context);
>+        return willFireTimerImpl(*instrumentingAgents, timerId, oneShot, context);
>     return InspectorInstrumentationCookie();
> }
> 
>diff --git a/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.cpp b/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.cpp
>index 8a5098ab6fae7bd7d8a0b761f4c72a901f7e8402..20f1602561dbc5e4264a6541235018ae37cf07b4 100644
>--- a/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.cpp
>+++ b/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.cpp
>@@ -52,8 +52,9 @@ enum DOMBreakpointType {
>     DOMBreakpointTypesCount
> };
> 
>-static const char eventNameCategoryType[] = "event-name:";
>-static const char instrumentationCategoryType[] = "instrumentation:";
>+static const char animationFrameCategoryType[] = "animation-frame:";
>+static const char listenerCategoryType[] = "listener:";
>+static const char timerCategoryType[] = "timer:";
> 
> const uint32_t inheritableDOMBreakpointTypesMask = (1 << SubtreeModified);
> const int domBreakpointDerivedTypeShift = 16;
>@@ -126,14 +127,19 @@ void InspectorDOMDebuggerAgent::discardBindings()
>     m_xhrBreakpoints.clear();
> }
> 
>+void InspectorDOMDebuggerAgent::setEventAnimationFrameBreakpoint(ErrorString& error, const String& eventName)
>+{
>+    setBreakpoint(error, animationFrameCategoryType + eventName);
>+}
>+
> void InspectorDOMDebuggerAgent::setEventListenerBreakpoint(ErrorString& error, const String& eventName)
> {
>-    setBreakpoint(error, eventNameCategoryType + eventName);
>+    setBreakpoint(error, listenerCategoryType + eventName);
> }
> 
>-void InspectorDOMDebuggerAgent::setInstrumentationBreakpoint(ErrorString& error, const String& eventName)
>+void InspectorDOMDebuggerAgent::setEventTimerBreakpoint(ErrorString& error, const String& eventName)
> {
>-    setBreakpoint(error, instrumentationCategoryType + eventName);
>+    setBreakpoint(error, timerCategoryType + eventName);
> }
> 
> void InspectorDOMDebuggerAgent::setBreakpoint(ErrorString& error, const String& eventName)
>@@ -146,14 +152,19 @@ void InspectorDOMDebuggerAgent::setBreakpoint(ErrorString& error, const String&
>     m_eventListenerBreakpoints.add(eventName);
> }
> 
>+void InspectorDOMDebuggerAgent::removeEventAnimationFrameBreakpoint(ErrorString& error, const String& eventName)
>+{
>+    removeBreakpoint(error, animationFrameCategoryType + eventName);
>+}
>+
> void InspectorDOMDebuggerAgent::removeEventListenerBreakpoint(ErrorString& error, const String& eventName)
> {
>-    removeBreakpoint(error, eventNameCategoryType + eventName);
>+    removeBreakpoint(error, listenerCategoryType + eventName);
> }
> 
>-void InspectorDOMDebuggerAgent::removeInstrumentationBreakpoint(ErrorString& error, const String& eventName)
>+void InspectorDOMDebuggerAgent::removeEventTimerBreakpoint(ErrorString& error, const String& eventName)
> {
>-    removeBreakpoint(error, instrumentationCategoryType + eventName);
>+    removeBreakpoint(error, timerCategoryType + eventName);
> }
> 
> void InspectorDOMDebuggerAgent::removeBreakpoint(ErrorString& error, const String& eventName)
>@@ -366,7 +377,7 @@ void InspectorDOMDebuggerAgent::updateSubtreeBreakpoints(Node* node, uint32_t ro
> 
> void InspectorDOMDebuggerAgent::willHandleEvent(const Event& event, const RegisteredEventListener& registeredEventListener)
> {
>-    bool shouldPause = m_debuggerAgent->pauseOnNextStatementEnabled() || m_eventListenerBreakpoints.contains(eventNameCategoryType + event.type());
>+    bool shouldPause = m_debuggerAgent->pauseOnNextStatementEnabled() || m_eventListenerBreakpoints.contains(listenerCategoryType + event.type());
> 
>     if (!shouldPause && m_domAgent)
>         shouldPause = m_domAgent->hasBreakpointForEventListener(*event.currentTarget(), event.type(), registeredEventListener.callback(), registeredEventListener.useCapture());
>@@ -385,19 +396,28 @@ void InspectorDOMDebuggerAgent::willHandleEvent(const Event& event, const Regist
>     m_debuggerAgent->schedulePauseOnNextStatement(Inspector::DebuggerFrontendDispatcher::Reason::EventListener, WTFMove(eventData));
> }
> 
>-void InspectorDOMDebuggerAgent::pauseOnNativeEventIfNeeded(const String& eventName, bool synchronous)
>+void InspectorDOMDebuggerAgent::willFireTimer(bool oneShot)
> {
>-    bool shouldPause = m_debuggerAgent->pauseOnNextStatementEnabled() || m_eventListenerBreakpoints.contains(instrumentationCategoryType + eventName);
>+    String eventName = oneShot ? "setTimeout" : "setInterval";
>+    bool shouldPause = m_debuggerAgent->pauseOnNextStatementEnabled() || m_eventListenerBreakpoints.contains(timerCategoryType + eventName);
>     if (!shouldPause)
>         return;
> 
>     Ref<JSON::Object> eventData = JSON::Object::create();
>     eventData->setString("eventName"_s, eventName);
>+    m_debuggerAgent->schedulePauseOnNextStatement(Inspector::DebuggerFrontendDispatcher::Reason::Timer, WTFMove(eventData));
>+}
> 
>-    if (synchronous)
>-        m_debuggerAgent->breakProgram(Inspector::DebuggerFrontendDispatcher::Reason::EventListener, WTFMove(eventData));
>-    else
>-        m_debuggerAgent->schedulePauseOnNextStatement(Inspector::DebuggerFrontendDispatcher::Reason::EventListener, WTFMove(eventData));
>+void InspectorDOMDebuggerAgent::willFireAnimationFrame()
>+{
>+    String eventName = "requestAnimationFrame";
>+    bool shouldPause = m_debuggerAgent->pauseOnNextStatementEnabled() || m_eventListenerBreakpoints.contains(animationFrameCategoryType + eventName);
>+    if (!shouldPause)
>+        return;
>+
>+    Ref<JSON::Object> eventData = JSON::Object::create();
>+    eventData->setString("eventName"_s, eventName);
>+    m_debuggerAgent->schedulePauseOnNextStatement(Inspector::DebuggerFrontendDispatcher::Reason::AnimationFrame, WTFMove(eventData));
> }
> 
> void InspectorDOMDebuggerAgent::setXHRBreakpoint(ErrorString&, const String& url, const bool* optionalIsRegex)
>diff --git a/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.h b/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.h
>index 0b306313a697c66045fd2fe3d42d599881fbeae2..926d66c02d6c5231bc751d2e1846b26230799e82 100644
>--- a/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.h
>+++ b/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.h
>@@ -59,10 +59,12 @@ public:
>     // DOMDebugger API
>     void setXHRBreakpoint(ErrorString&, const String& url, const bool* optionalIsRegex) final;
>     void removeXHRBreakpoint(ErrorString&, const String& url) final;
>+    void setEventAnimationFrameBreakpoint(ErrorString&, const String& eventName) final;
>+    void removeEventAnimationFrameBreakpoint(ErrorString&, const String& eventName) final;
>     void setEventListenerBreakpoint(ErrorString&, const String& eventName) final;
>     void removeEventListenerBreakpoint(ErrorString&, const String& eventName) final;
>-    void setInstrumentationBreakpoint(ErrorString&, const String& eventName) final;
>-    void removeInstrumentationBreakpoint(ErrorString&, const String& eventName) final;
>+    void setEventTimerBreakpoint(ErrorString&, const String& eventName) final;
>+    void removeEventTimerBreakpoint(ErrorString&, const String& eventName) final;
>     void setDOMBreakpoint(ErrorString&, int nodeId, const String& type) final;
>     void removeDOMBreakpoint(ErrorString&, int nodeId, const String& type) final;
> 
>@@ -76,7 +78,8 @@ public:
>     void willSendXMLHttpRequest(const String& url);
>     void frameDocumentUpdated(Frame&);
>     void willHandleEvent(const Event&, const RegisteredEventListener&);
>-    void pauseOnNativeEventIfNeeded(const String& eventName, bool synchronous);
>+    void willFireTimer(bool oneShot);
>+    void willFireAnimationFrame();
>     void mainFrameDOMContentLoaded();
> 
>     void didCreateFrontendAndBackend(Inspector::FrontendRouter*, Inspector::BackendDispatcher*) final;
>diff --git a/Source/WebCore/page/DOMTimer.cpp b/Source/WebCore/page/DOMTimer.cpp
>index 021ce79f083d7e23cc0a660e765c3b2f64689fe6..fd79a1bf78443f8db7d2283d598b82fe63ef75ec 100644
>--- a/Source/WebCore/page/DOMTimer.cpp
>+++ b/Source/WebCore/page/DOMTimer.cpp
>@@ -321,7 +321,7 @@ void DOMTimer::fired()
>     // Only the first execution of a multi-shot timer should get an affirmative user gesture indicator.
>     m_userGestureTokenToForward = nullptr;
> 
>-    InspectorInstrumentationCookie cookie = InspectorInstrumentation::willFireTimer(context, m_timeoutId);
>+    InspectorInstrumentationCookie cookie = InspectorInstrumentation::willFireTimer(context, m_timeoutId, !repeatInterval());
> 
>     // Simple case for non-one-shot timers.
>     if (isActive()) {
>diff --git a/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js b/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js
>index fa9c15d97585e92f69bc2841dc450211833b486c..5b62fb10e1e6e5a1ce6833f6af260f67510c8c4f 100644
>--- a/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js
>+++ b/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js
>@@ -41,6 +41,7 @@ localizedStrings["%s (%s, %s)"] = "%s (%s, %s)";
> localizedStrings["%s (default)"] = "%s (default)";
> localizedStrings["%s (hidden)"] = "%s (hidden)";
> localizedStrings["%s Event Dispatched"] = "%s Event Dispatched";
>+localizedStrings["%s Fired"] = "%s Fired";
> localizedStrings["%s Prototype"] = "%s Prototype";
> localizedStrings["%s \u2013 %s"] = "%s \u2013 %s";
> localizedStrings["%s \u2014 %s"] = "%s \u2014 %s";
>@@ -146,7 +147,6 @@ localizedStrings["Boundary"] = "Boundary";
> localizedStrings["Box Model"] = "Box Model";
> localizedStrings["Box Shadow"] = "Box Shadow";
> localizedStrings["Break on events with name:"] = "Break on events with name:";
>-localizedStrings["Break on listeners for event with name:"] = "Break on listeners for event with name:";
> localizedStrings["Break on request with URL:"] = "Break on request with URL:";
> localizedStrings["Break onâ¦"] = "Break onâ¦";
> localizedStrings["Breakdown"] = "Breakdown";
>@@ -274,6 +274,7 @@ localizedStrings["Custom"] = "Custom";
> localizedStrings["DNS"] = "DNS";
> localizedStrings["DOM Breakpoints"] = "DOM Breakpoints";
> localizedStrings["DOM Content Loaded \u2014 %s"] = "DOM Content Loaded \u2014 %s";
>+localizedStrings["DOM Event"] = "DOM Event";
> localizedStrings["Damping"] = "Damping";
> localizedStrings["Dash Array"] = "Dash Array";
> localizedStrings["Data"] = "Data";
>diff --git a/Source/WebInspectorUI/UserInterface/Controllers/DOMDebuggerManager.js b/Source/WebInspectorUI/UserInterface/Controllers/DOMDebuggerManager.js
>index cbabcab72f7be001eb4c57d4d78f476e68f102da..066aef624ffa84f52950de2888f71a42ea2cbdf9 100644
>--- a/Source/WebInspectorUI/UserInterface/Controllers/DOMDebuggerManager.js
>+++ b/Source/WebInspectorUI/UserInterface/Controllers/DOMDebuggerManager.js
>@@ -78,6 +78,23 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         }
>     }
> 
>+    // Static
>+
>+    static supportsEventAnimationFrameBreakpoints()
>+    {
>+        return DOMDebuggerAgent.setEventAnimationFrameBreakpoint && DOMDebuggerAgent.removeEventAnimationFrameBreakpoint;
>+    }
>+
>+    static supportsEventListenerBreakpoints()
>+    {
>+        return DOMDebuggerAgent.setEventListenerBreakpoint && DOMDebuggerAgent.removeEventListenerBreakpoint;
>+    }
>+
>+    static supportsEventTimerBreakpoints()
>+    {
>+        return DOMDebuggerAgent.setEventTimerBreakpoint && DOMDebuggerAgent.removeEventTimerBreakpoint;
>+    }
>+
>     // Public
> 
>     get supported()
>@@ -193,9 +210,9 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         this._saveDOMBreakpoints();
>     }
> 
>-    eventBreakpointForEventName(eventName)
>+    eventBreakpointForTypeAndEventName(type, eventName)
>     {
>-        return this._eventBreakpoints.find((breakpoint) => breakpoint.eventName === eventName) || null;
>+        return this._eventBreakpoints.find((breakpoint) => breakpoint.type === type && breakpoint.eventName === eventName) || null;
>     }
> 
>     addEventBreakpoint(breakpoint)
>@@ -204,7 +221,7 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         if (!breakpoint)
>             return;
> 
>-        if (this._eventBreakpoints.some((item) => item.eventName === breakpoint.eventName))
>+        if (this.eventBreakpointForTypeAndEventName(breakpoint.type, breakpoint.eventName))
>             return;
> 
>         this._eventBreakpoints.push(breakpoint);
>@@ -232,10 +249,17 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         if (breakpoint.disabled)
>             return;
> 
>-        DOMDebuggerAgent.removeEventListenerBreakpoint(breakpoint.eventName, (error) => {
>+        function breakpointRemoved(error) {
>             if (error)
>                 console.error(error);
>-        });
>+        }
>+
>+        if (breakpoint.type === WI.EventBreakpoint.Type.AnimationFrame && WI.DOMDebuggerManager.supportsEventAnimationFrameBreakpoints())
>+            DOMDebuggerAgent.removeEventAnimationFrameBreakpoint(breakpoint.eventName, breakpointRemoved);
>+        else if (breakpoint.type === WI.EventBreakpoint.Type.Listener && WI.DOMDebuggerManager.supportsEventListenerBreakpoints())
>+            DOMDebuggerAgent.removeEventListenerBreakpoint(breakpoint.eventName, breakpointRemoved);
>+        else if (breakpoint.type === WI.EventBreakpoint.Type.Timer && WI.DOMDebuggerManager.supportsEventTimerBreakpoints())
>+            DOMDebuggerAgent.removeEventTimerBreakpoint(breakpoint.eventName, breakpointRemoved);
>     }
> 
>     xhrBreakpointForURL(url)
>@@ -415,10 +439,21 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>                 callback(error);
>         }
> 
>-        if (breakpoint.disabled)
>-            DOMDebuggerAgent.removeEventListenerBreakpoint(breakpoint.eventName, breakpointUpdated);
>-        else
>-            DOMDebuggerAgent.setEventListenerBreakpoint(breakpoint.eventName, breakpointUpdated);
>+        if (breakpoint.disabled) {
>+            if (breakpoint.type === WI.EventBreakpoint.Type.AnimationFrame && WI.DOMDebuggerManager.supportsEventAnimationFrameBreakpoints())
>+                DOMDebuggerAgent.removeEventAnimationFrameBreakpoint(breakpoint.eventName, breakpointUpdated);
>+            else if (breakpoint.type === WI.EventBreakpoint.Type.Listener && WI.DOMDebuggerManager.supportsEventListenerBreakpoints())
>+                DOMDebuggerAgent.removeEventListenerBreakpoint(breakpoint.eventName, breakpointUpdated);
>+            else if (breakpoint.type === WI.EventBreakpoint.Type.Timer && WI.DOMDebuggerManager.supportsEventTimerBreakpoints())
>+                DOMDebuggerAgent.removeEventTimerBreakpoint(breakpoint.eventName, breakpointUpdated);
>+        } else {
>+            if (breakpoint.type === WI.EventBreakpoint.Type.AnimationFrame && WI.DOMDebuggerManager.supportsEventAnimationFrameBreakpoints())
>+                DOMDebuggerAgent.setEventAnimationFrameBreakpoint(breakpoint.eventName, breakpointUpdated);
>+            else if (breakpoint.type === WI.EventBreakpoint.Type.Listener && WI.DOMDebuggerManager.supportsEventListenerBreakpoints())
>+                DOMDebuggerAgent.setEventListenerBreakpoint(breakpoint.eventName, breakpointUpdated);
>+            else if (breakpoint.type === WI.EventBreakpoint.Type.Timer && WI.DOMDebuggerManager.supportsEventTimerBreakpoints())
>+                DOMDebuggerAgent.setEventTimerBreakpoint(breakpoint.eventName, breakpointUpdated);
>+        }
>     }
> 
>     _updateXHRBreakpoint(breakpoint, callback)
>diff --git a/Source/WebInspectorUI/UserInterface/Controllers/DOMTreeManager.js b/Source/WebInspectorUI/UserInterface/Controllers/DOMTreeManager.js
>index 7c6280c202c6d49bdf9dd0415fcddbb6ed8d8dee..c4c8599c15c9f9c669478199247ead8a014b61d2 100644
>--- a/Source/WebInspectorUI/UserInterface/Controllers/DOMTreeManager.js
>+++ b/Source/WebInspectorUI/UserInterface/Controllers/DOMTreeManager.js
>@@ -556,7 +556,7 @@ WI.DOMTreeManager = class DOMTreeManager extends WI.Object
> 
>     setBreakpointForEventListener(eventListener)
>     {
>-        let breakpoint = new WI.EventBreakpoint(eventListener.type, {eventListener});
>+        let breakpoint = new WI.EventBreakpoint(WI.EventBreakpoint.Type.Listener, eventListener.type, {eventListener});
>         this._breakpointsForEventListeners.set(eventListener.eventListenerId, breakpoint);
> 
>         DOMAgent.setBreakpointForEventListener(eventListener.eventListenerId, (error) => {
>diff --git a/Source/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js b/Source/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>index 60eef5b1a1a25474f82c9d01d784fd2fa36bebf0..a37affd662c20cf6126cf2a33f61453cab8ba1fc 100644
>--- a/Source/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>+++ b/Source/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>@@ -818,6 +818,8 @@ WI.DebuggerManager = class DebuggerManager extends WI.Object
>     {
>         // FIXME: Handle other backend pause reasons.
>         switch (payload) {
>+        case DebuggerAgent.PausedReason.AnimationFrame:
>+            return WI.DebuggerManager.PauseReason.AnimationFrame;
>         case DebuggerAgent.PausedReason.Assert:
>             return WI.DebuggerManager.PauseReason.Assertion;
>         case DebuggerAgent.PausedReason.Breakpoint:
>@@ -834,6 +836,8 @@ WI.DebuggerManager = class DebuggerManager extends WI.Object
>             return WI.DebuggerManager.PauseReason.Exception;
>         case DebuggerAgent.PausedReason.PauseOnNextStatement:
>             return WI.DebuggerManager.PauseReason.PauseOnNextStatement;
>+        case DebuggerAgent.PausedReason.Timer:
>+            return WI.DebuggerManager.PauseReason.Timer;
>         case DebuggerAgent.PausedReason.XHR:
>             return WI.DebuggerManager.PauseReason.XHR;
>         default:
>@@ -1233,6 +1237,7 @@ WI.DebuggerManager.Event = {
> };
> 
> WI.DebuggerManager.PauseReason = {
>+    AnimationFrame: "animation-frame",
>     Assertion: "assertion",
>     Breakpoint: "breakpoint",
>     CSPViolation: "CSP-violation",
>@@ -1241,6 +1246,7 @@ WI.DebuggerManager.PauseReason = {
>     EventListener: "event-listener",
>     Exception: "exception",
>     PauseOnNextStatement: "pause-on-next-statement",
>+    Timer: "timer",
>     XHR: "xhr",
>     Other: "other",
> };
>diff --git a/Source/WebInspectorUI/UserInterface/Images/EventBreakpoint.svg b/Source/WebInspectorUI/UserInterface/Images/EventBreakpoint.svg
>deleted file mode 100644
>index 15dacd648fad15184e7ee1e44a7a7b03c61f748c..0000000000000000000000000000000000000000
>--- a/Source/WebInspectorUI/UserInterface/Images/EventBreakpoint.svg
>+++ /dev/null
>@@ -1,8 +0,0 @@
>-<?xml version="1.0" encoding="utf-8"?>
>-
>-<svg xmlns="http://www.w3.org/2000/svg" id="root" version="1.1" viewBox="0 0 16 16">
>-    <path fill="rgb(148, 183, 219)" d="M 13 1 L 3 1 C 1.898438 1 1 1.898438 1 3 L 1 13 C 1 14.101562 1.898438 15 3 15 L 13 15 C 14.101562 15 15 14.101562 15 13 L 15 3 C 15 1.898438 14.101562 1 13 1 Z"/>
>-    <path fill="rgb(106, 136, 170)" d="M 13 1 L 3 1 C 1.898438 1 1 1.898438 1 3 L 1 13 C 1 14.101562 1.898438 15 3 15 L 13 15 C 14.101562 15 15 14.101562 15 13 L 15 3 C 15 1.898438 14.101562 1 13 1 M 13 2 C 13.550781 2 14 2.449219 14 3 L 14 13 C 14 13.550781 13.550781 14 13 14 L 3 14 C 2.449219 14 2 13.550781 2 13 L 2 3 C 2 2.449219 2.449219 2 3 2 L 13 2"/>
>-    <path fill="rgb(113, 146, 184)" d="M 5.503906 12.742188 C 4.949219 12.742188 4.503906 12.292969 4.503906 11.742188 L 4.503906 3.792969 C 4.503906 3.242188 4.949219 2.792969 5.503906 2.792969 L 10.472656 2.792969 C 11.023438 2.792969 11.472656 3.242188 11.472656 3.792969 L 11.472656 4.882812 C 11.472656 5.4375 11.023438 5.882812 10.472656 5.882812 C 10.472656 5.882812 9.132812 5.882812 8.15625 5.882812 C 8.15625 5.992188 8.15625 5.996094 8.15625 6.101562 C 8.957031 6.101562 9.875 6.101562 9.875 6.101562 C 10.425781 6.101562 10.875 6.550781 10.875 7.101562 L 10.875 8.164062 C 10.875 8.71875 10.425781 9.164062 9.875 9.164062 C 9.875 9.164062 8.957031 9.164062 8.15625 9.164062 C 8.15625 9.382812 8.15625 9.398438 8.15625 9.613281 C 9.191406 9.613281 10.722656 9.613281 10.722656 9.613281 C 11.277344 9.613281 11.722656 10.0625 11.722656 10.613281 L 11.722656 11.742188 C 11.722656 12.292969 11.277344 12.742188 10.722656 12.742188 L 5.503906 12.742188"/>
>-    <path fill="white" d="M 5.503906 11.742188 L 5.503906 3.792969 L 10.46875 3.792969 L 10.46875 4.882812 L 7.15625 4.882812 L 7.15625 7.101562 L 9.875 7.101562 L 9.875 8.164062 L 7.15625 8.164062 L 7.15625 10.613281 L 10.722656 10.613281 L 10.722656 11.742188 Z"/>
>-</svg>
>diff --git a/Source/WebInspectorUI/UserInterface/Images/EventBreakpointAnimationFrame.svg b/Source/WebInspectorUI/UserInterface/Images/EventBreakpointAnimationFrame.svg
>new file mode 100644
>index 0000000000000000000000000000000000000000..02e106bd5c49bf32f77f5df4b1f676366a3cdcd6
>--- /dev/null
>+++ b/Source/WebInspectorUI/UserInterface/Images/EventBreakpointAnimationFrame.svg
>@@ -0,0 +1,8 @@
>+<?xml version="1.0" encoding="utf-8"?>
>+
>+<svg xmlns="http://www.w3.org/2000/svg" id="root" version="1.1" viewBox="0 0 16 16">
>+    <path fill="rgb(148, 183, 219)" d="M 13 1 L 3 1 C 1.9 1 1 1.9 1 3 L 1 13 C 1 14.1 1.9 15 3 15 L 13 15 C 14.1 15 15 14.1 15 13 L 15 3 C 15 1.9 14.1 1 13 1 L 13 1 Z"/>
>+    <path fill="rgb(106, 136, 170)" d="M 13 1 L 3 1 C 1.9 1 1 1.9 1 3 L 1 13 C 1 14.1 1.9 15 3 15 L 13 15 C 14.1 15 15 14.1 15 13 L 15 3 C 15 1.9 14.1 1 13 1 M 13 2 C 13.552 2 14 2.449 14 3 L 14 13 C 14 13.552 13.552 14 13 14 L 3 14 C 2.449 14 2 13.552 2 13 L 2 3 C 2 2.449 2.449 2 3 2 L 13 2"/>
>+    <path fill="rgb(113, 146, 184)" d="M 8.1104 3 L 5.0004 3 L 4.0004 3 L 4.0004 4 L 4.0004 12 L 4.0004 13 L 5.0004 13 L 7.0004 13 L 8.0004 13 L 8.0004 12 L 8.0004 11.646 L 8.5584 12.533 L 8.8524 13 L 9.4044 13 L 11.7494 13 L 13.7134 13 L 12.5574 11.412 L 10.5494 8.650999 C 10.8754 8.459 11.1754 8.226 11.3874 7.924999 C 11.7944 7.351999 12.0004 6.702999 12.0004 6 C 12.0004 4.178 10.4734 3 8.1104 3 M 7.0004 7.632 L 7.0274 7.632 C 8.280399 7.632 9.0624 7.144 9.0624 6.167 C 9.0624 5.454 8.3484 5.097 7.2294 5.097 L 7.0004 5.097 L 7.0004 7.632 M 8.1104 4 C 9.7984 4 11.0004 4.678 11.0004 6 C 11.0004 6.493999 10.8574 6.943 10.5704 7.349 C 10.2854 7.754 9.5334 8.049 9.0314 8.264999 L 11.7494 12 L 9.4044 12 L 7.3434 8.729 L 7.0004 8.729 L 7.0004 12 L 5.0004 12 L 5.0004 4 L 8.1104 4"/>
>+    <path fill="white" d="M 7 7.6323 L 7.027 7.6323 C 8.281 7.6323 9.063001 7.1443 9.063001 6.1673 C 9.063001 5.4543 8.348001 5.0973 7.229001 5.0973 L 7 5.0973 L 7 7.6323 Z M 5 12.0003 L 5 4.0003 L 8.11 4.0003 C 9.799001 4.0003 11 4.6773 11 6.0003 C 11 6.4943 10.857 6.9433 10.57 7.3493 C 10.285 7.7543 9.533 8.0493 9.031 8.2643 L 11.749 12.0003 L 9.404 12.0003 L 7.344 8.7293 L 7 8.7293 L 7 12.0003 L 5 12.0003 Z"/>
>+</svg>
>diff --git a/Source/WebInspectorUI/UserInterface/Images/EventBreakpointListener.svg b/Source/WebInspectorUI/UserInterface/Images/EventBreakpointListener.svg
>new file mode 100644
>index 0000000000000000000000000000000000000000..15dacd648fad15184e7ee1e44a7a7b03c61f748c
>--- /dev/null
>+++ b/Source/WebInspectorUI/UserInterface/Images/EventBreakpointListener.svg
>@@ -0,0 +1,8 @@
>+<?xml version="1.0" encoding="utf-8"?>
>+
>+<svg xmlns="http://www.w3.org/2000/svg" id="root" version="1.1" viewBox="0 0 16 16">
>+    <path fill="rgb(148, 183, 219)" d="M 13 1 L 3 1 C 1.898438 1 1 1.898438 1 3 L 1 13 C 1 14.101562 1.898438 15 3 15 L 13 15 C 14.101562 15 15 14.101562 15 13 L 15 3 C 15 1.898438 14.101562 1 13 1 Z"/>
>+    <path fill="rgb(106, 136, 170)" d="M 13 1 L 3 1 C 1.898438 1 1 1.898438 1 3 L 1 13 C 1 14.101562 1.898438 15 3 15 L 13 15 C 14.101562 15 15 14.101562 15 13 L 15 3 C 15 1.898438 14.101562 1 13 1 M 13 2 C 13.550781 2 14 2.449219 14 3 L 14 13 C 14 13.550781 13.550781 14 13 14 L 3 14 C 2.449219 14 2 13.550781 2 13 L 2 3 C 2 2.449219 2.449219 2 3 2 L 13 2"/>
>+    <path fill="rgb(113, 146, 184)" d="M 5.503906 12.742188 C 4.949219 12.742188 4.503906 12.292969 4.503906 11.742188 L 4.503906 3.792969 C 4.503906 3.242188 4.949219 2.792969 5.503906 2.792969 L 10.472656 2.792969 C 11.023438 2.792969 11.472656 3.242188 11.472656 3.792969 L 11.472656 4.882812 C 11.472656 5.4375 11.023438 5.882812 10.472656 5.882812 C 10.472656 5.882812 9.132812 5.882812 8.15625 5.882812 C 8.15625 5.992188 8.15625 5.996094 8.15625 6.101562 C 8.957031 6.101562 9.875 6.101562 9.875 6.101562 C 10.425781 6.101562 10.875 6.550781 10.875 7.101562 L 10.875 8.164062 C 10.875 8.71875 10.425781 9.164062 9.875 9.164062 C 9.875 9.164062 8.957031 9.164062 8.15625 9.164062 C 8.15625 9.382812 8.15625 9.398438 8.15625 9.613281 C 9.191406 9.613281 10.722656 9.613281 10.722656 9.613281 C 11.277344 9.613281 11.722656 10.0625 11.722656 10.613281 L 11.722656 11.742188 C 11.722656 12.292969 11.277344 12.742188 10.722656 12.742188 L 5.503906 12.742188"/>
>+    <path fill="white" d="M 5.503906 11.742188 L 5.503906 3.792969 L 10.46875 3.792969 L 10.46875 4.882812 L 7.15625 4.882812 L 7.15625 7.101562 L 9.875 7.101562 L 9.875 8.164062 L 7.15625 8.164062 L 7.15625 10.613281 L 10.722656 10.613281 L 10.722656 11.742188 Z"/>
>+</svg>
>diff --git a/Source/WebInspectorUI/UserInterface/Images/EventBreakpointTimer.svg b/Source/WebInspectorUI/UserInterface/Images/EventBreakpointTimer.svg
>new file mode 100644
>index 0000000000000000000000000000000000000000..f94ac63d03c2c63ca1f05e6f7e59535c10349d87
>--- /dev/null
>+++ b/Source/WebInspectorUI/UserInterface/Images/EventBreakpointTimer.svg
>@@ -0,0 +1,8 @@
>+<?xml version="1.0" encoding="utf-8"?>
>+
>+<svg xmlns="http://www.w3.org/2000/svg" id="root" version="1.1" viewBox="0 0 16 16">
>+    <path fill="rgb(148, 183, 219)" d="M 13 1 L 3 1 C 1.898438 1 1 1.898438 1 3 L 1 13 C 1 14.101562 1.898438 15 3 15 L 13 15 C 14.101562 15 15 14.101562 15 13 L 15 3 C 15 1.898438 14.101562 1 13 1 Z"/>
>+    <path fill="rgb(106, 136, 170)" d="M 13 1 L 3 1 C 1.898438 1 1 1.898438 1 3 L 1 13 C 1 14.101562 1.898438 15 3 15 L 13 15 C 14.101562 15 15 14.101562 15 13 L 15 3 C 15 1.898438 14.101562 1 13 1 M 13 2 C 13.550781 2 14 2.449219 14 3 L 14 13 C 14 13.550781 13.550781 14 13 14 L 3 14 C 2.449219 14 2 13.550781 2 13 L 2 3 C 2 2.449219 2.449219 2 3 2 L 13 2"/>
>+    <path fill="rgb(113, 146, 184)" d="M 6.980469 12.742188 C 6.429688 12.742188 5.980469 12.292969 5.980469 11.742188 C 5.980469 11.742188 5.980469 7.34375 5.980469 5.882812 C 5.140625 5.882812 4.136719 5.882812 4.136719 5.882812 C 3.582031 5.882812 3.136719 5.4375 3.136719 4.882812 L 3.136719 3.792969 C 3.136719 3.242188 3.582031 2.792969 4.136719 2.792969 L 11.488281 2.792969 C 12.042969 2.792969 12.488281 3.242188 12.488281 3.792969 L 12.488281 4.882812 C 12.488281 5.4375 12.042969 5.882812 11.488281 5.882812 C 11.488281 5.882812 10.484375 5.882812 9.640625 5.882812 C 9.640625 7.34375 9.640625 11.742188 9.640625 11.742188 C 9.640625 12.292969 9.195312 12.742188 8.640625 12.742188 L 6.980469 12.742188"/>
>+    <path fill="white" d="M 6.980469 11.742188 L 6.980469 4.882812 L 4.136719 4.882812 L 4.136719 3.792969 L 11.488281 3.792969 L 11.488281 4.882812 L 8.640625 4.882812 L 8.640625 11.742188 Z"/>
>+</svg>
>diff --git a/Source/WebInspectorUI/UserInterface/Models/EventBreakpoint.js b/Source/WebInspectorUI/UserInterface/Models/EventBreakpoint.js
>index 7dd7f36705f866bb9c048821bf75c9b9722ae827..118f1def0f565a27a3b360bb47edafa45be8528f 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/EventBreakpoint.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/EventBreakpoint.js
>@@ -25,12 +25,14 @@
> 
> WI.EventBreakpoint = class EventBreakpoint extends WI.Object
> {
>-    constructor(eventName, {disabled, eventListener} = {})
>+    constructor(type, eventName, {disabled, eventListener} = {})
>     {
>         super();
> 
>+        console.assert(typeof type === "string");
>         console.assert(typeof eventName === "string");
> 
>+        this._type = type;
>         this._eventName = eventName;
> 
>         this._disabled = disabled || false;
>@@ -41,13 +43,14 @@ WI.EventBreakpoint = class EventBreakpoint extends WI.Object
> 
>     static fromPayload(payload)
>     {
>-        return new WI.EventBreakpoint(payload.eventName, {
>+        return new WI.EventBreakpoint(payload.type, payload.eventName, {
>             disabled: !!payload.disabled,
>         });
>     }
> 
>     // Public
> 
>+    get type() { return this._type; }
>     get eventName() { return this._eventName; }
>     get eventListener() { return this._eventListener; }
> 
>@@ -69,6 +72,7 @@ WI.EventBreakpoint = class EventBreakpoint extends WI.Object
>     get serializableInfo()
>     {
>         let info = {
>+            type: this._type,
>             eventName: this._eventName,
>         };
>         if (this._disabled)
>@@ -79,10 +83,18 @@ WI.EventBreakpoint = class EventBreakpoint extends WI.Object
> 
>     saveIdentityToCookie(cookie)
>     {
>+        cookie[WI.EventBreakpoint.TypeCookieKey] = this._type;
>         cookie[WI.EventBreakpoint.EventNameCookieKey] = this._eventName;
>     }
> };
> 
>+WI.EventBreakpoint.Type = {
>+    AnimationFrame: "animation-frame",
>+    Listener: "listener",
>+    Timer: "timer",
>+};
>+
>+WI.EventBreakpoint.TypeCookieKey = "event-breakpoint-type";
> WI.EventBreakpoint.EventNameCookieKey = "event-breakpoint-event-name";
> 
> WI.EventBreakpoint.Event = {
>diff --git a/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js b/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js
>index 4e23315880b16df1eed2390a671986e64e51bb86..60d3373f5d6e51e119cdff004cde630cb9326e7a 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js
>@@ -951,6 +951,27 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
>         let {pauseReason, pauseData} = targetData;
> 
>         switch (pauseReason) {
>+        case WI.DebuggerManager.PauseReason.AnimationFrame:
>+            console.assert(pauseData, "Expected data with an animation frame, but found none.");
>+            if (pauseData) {
>+                let eventBreakpoint = WI.domDebuggerManager.eventBreakpointForTypeAndEventName(WI.EventBreakpoint.Type.AnimationFrame, pauseData.eventName);
>+                console.assert(eventBreakpoint, "Expected AnimationFrame breakpoint for event name.", pauseData.eventName);
>+
>+                this._pauseReasonTreeOutline = this.createContentTreeOutline(true);
>+
>+                let eventBreakpointTreeElement = new WI.EventBreakpointTreeElement(eventBreakpoint, {
>+                    className: WI.DebuggerSidebarPanel.PausedBreakpointIconStyleClassName,
>+                    title: WI.UIString("%s Fired").format(pauseData.eventName),
>+                });
>+                this._pauseReasonTreeOutline.appendChild(eventBreakpointTreeElement);
>+
>+                let eventBreakpointRow = new WI.DetailsSectionRow;
>+                eventBreakpointRow.element.appendChild(this._pauseReasonTreeOutline.element);
>+
>+                this._pauseReasonGroup.rows = [eventBreakpointRow];
>+            }
>+            return true;
>+
>         case WI.DebuggerManager.PauseReason.Assertion:
>             // FIXME: We should include the assertion condition string.
>             console.assert(pauseData, "Expected data with an assertion, but found none.");
>@@ -1061,7 +1082,7 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
>                 if (pauseData.eventListenerId)
>                     eventBreakpoint = WI.domTreeManager.breakpointForEventListenerId(pauseData.eventListenerId);
>                 if (!eventBreakpoint)
>-                    eventBreakpoint = WI.domDebuggerManager.eventBreakpointForEventName(pauseData.eventName);
>+                    eventBreakpoint = WI.domDebuggerManager.eventBreakpointForTypeAndEventName(WI.EventBreakpoint.Type.Listener, pauseData.eventName);
>                 console.assert(eventBreakpoint, "Expected Event Listener breakpoint for event name.", pauseData.eventName);
> 
>                 this._pauseReasonTreeOutline = this.createContentTreeOutline(true);
>@@ -1105,6 +1126,27 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
>             this._pauseReasonGroup.rows = [this._pauseReasonTextRow];
>             return true;
> 
>+        case WI.DebuggerManager.PauseReason.Timer:
>+            console.assert(pauseData, "Expected data with a timer, but found none.");
>+            if (pauseData) {
>+                let eventBreakpoint = WI.domDebuggerManager.eventBreakpointForTypeAndEventName(WI.EventBreakpoint.Type.Timer, pauseData.eventName);
>+                console.assert(eventBreakpoint, "Expected Timer breakpoint for event name.", pauseData.eventName);
>+
>+                this._pauseReasonTreeOutline = this.createContentTreeOutline(true);
>+
>+                let eventBreakpointTreeElement = new WI.EventBreakpointTreeElement(eventBreakpoint, {
>+                    className: WI.DebuggerSidebarPanel.PausedBreakpointIconStyleClassName,
>+                    title: WI.UIString("%s Fired").format(pauseData.eventName),
>+                });
>+                this._pauseReasonTreeOutline.appendChild(eventBreakpointTreeElement);
>+
>+                let eventBreakpointRow = new WI.DetailsSectionRow;
>+                eventBreakpointRow.element.appendChild(this._pauseReasonTreeOutline.element);
>+
>+                this._pauseReasonGroup.rows = [eventBreakpointRow];
>+            }
>+            return true;
>+
>         case WI.DebuggerManager.PauseReason.XHR:
>             console.assert(WI.domDebuggerManager.supported);
>             console.assert(pauseData, "Expected XHR breakpoint data, but found none.");
>@@ -1264,17 +1306,14 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
> 
>     willDismissPopover(popover)
>     {
>-        if (popover.result !== WI.InputPopover.Result.Committed)
>-            return;
>-
>         if (popover instanceof WI.EventBreakpointPopover) {
>-            let eventName = popover.value;
>-            if (eventName)
>-                WI.domDebuggerManager.addEventBreakpoint(new WI.EventBreakpoint(eventName));
>+            let breakpoint = popover.breakpoint;
>+            if (breakpoint)
>+                WI.domDebuggerManager.addEventBreakpoint(breakpoint);
>             return;
>         }
> 
>-        if (popover instanceof WI.XHRBreakpointPopover) {
>+        if (popover instanceof WI.XHRBreakpointPopover && popover.result === WI.InputPopover.Result.Committed) {
>             let url = popover.value;
>             if (url)
>                 WI.domDebuggerManager.addXHRBreakpoint(new WI.XHRBreakpoint(popover.type, url));
>diff --git a/Source/WebInspectorUI/UserInterface/Views/EventBreakpointPopover.css b/Source/WebInspectorUI/UserInterface/Views/EventBreakpointPopover.css
>index 37a06c6ade0f4a5b06ec075af9919abaa372b05c..4a42ece745c919e2420b74f4a08e49db8d84e360 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/EventBreakpointPopover.css
>+++ b/Source/WebInspectorUI/UserInterface/Views/EventBreakpointPopover.css
>@@ -28,9 +28,7 @@
>     padding: 5px;
> }
> 
>-.popover .event-breakpoint-content > input {
>-    width: 100%;
>+.popover .event-breakpoint-content > .event-type {
>+    display: flex;
>     margin-top: 4px;
>-    padding: 4px 0 2px 0;
>-    outline: none;
> }
>diff --git a/Source/WebInspectorUI/UserInterface/Views/EventBreakpointPopover.js b/Source/WebInspectorUI/UserInterface/Views/EventBreakpointPopover.js
>index 5f75b513d3d6b1f4c0dea9b29699dbdbe189e069..68b1fbf31bf4a430d197827836836a80924e89b9 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/EventBreakpointPopover.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/EventBreakpointPopover.js
>@@ -29,10 +29,8 @@ WI.EventBreakpointPopover = class EventBreakpointPopover extends WI.Popover
>     {
>         super(delegate);
> 
>-        this._result = WI.InputPopover.Result.None;
>-        this._value = null;
>+        this._breakpoint = null;
> 
>-        this._codeMirror = null;
>         this._targetElement = null;
>         this._preferredEdges = null;
> 
>@@ -41,8 +39,7 @@ WI.EventBreakpointPopover = class EventBreakpointPopover extends WI.Popover
> 
>     // Public
> 
>-    get result() { return this._result; }
>-    get value() { return this._value; }
>+    get breakpoint() { return this._breakpoint; }
> 
>     show(targetElement, preferredEdges)
>     {
>@@ -56,22 +53,67 @@ WI.EventBreakpointPopover = class EventBreakpointPopover extends WI.Popover
>         label.classList.add("label");
>         label.textContent = WI.UIString("Break on events with name:");
> 
>-        this._inputElement = contentElement.appendChild(document.createElement("input"));
>-        this._inputElement.placeholder = "click";
>-        this._inputElement.spellcheck = false;
>-        this._inputElement.addEventListener("keydown", (event) => {
>+        let typeContainer = contentElement.appendChild(document.createElement("div"));
>+        typeContainer.classList.add("event-type");
>+
>+        this._typeSelectElement = typeContainer.appendChild(document.createElement("select"));
>+        this._typeSelectElement.addEventListener("change", this._handleTypeSelectChange.bind(this));
>+
>+        let createOption = (text, value) => {
>+            let optionElement = this._typeSelectElement.appendChild(document.createElement("option"));
>+            optionElement.value = value;
>+            optionElement.textContent = text;
>+        };
>+
>+        if (WI.DOMDebuggerManager.supportsEventListenerBreakpoints())
>+            createOption(WI.UIString("DOM Event"), WI.EventBreakpoint.Type.Listener);
>+
>+        if (WI.DOMDebuggerManager.supportsEventAnimationFrameBreakpoints())
>+            createOption(WI.unlocalizedString("requestAnimationFrame"), "requestAnimationFrame");
>+
>+        if (WI.DOMDebuggerManager.supportsEventTimerBreakpoints()) {
>+            createOption(WI.unlocalizedString("setTimeout"), "setTimeout");
>+            createOption(WI.unlocalizedString("setInterval"), "setInterval");
>+        }
>+
>+        this._domEventNameInputElement = typeContainer.appendChild(document.createElement("input"));
>+        this._domEventNameInputElement.placeholder = "click";
>+        this._domEventNameInputElement.spellcheck = false;
>+        this._domEventNameInputElement.addEventListener("keydown", (event) => {
>             if (!isEnterKey(event))
>                 return;
> 
>-            this._result = WI.InputPopover.Result.Committed;
>-            this._value = event.target.value.trim();
>-
>             this.dismiss();
>         });
> 
>         this.content = contentElement;
> 
>         this._presentOverTargetElement();
>+
>+        this._typeSelectElement.value = WI.EventBreakpoint.Type.Listener;
>+        this._domEventNameInputElement.select();
>+    }
>+
>+    dismiss()
>+    {
>+        let type = this._typeSelectElement.value;
>+        let value = null;
>+
>+        if (type === WI.EventBreakpoint.Type.Listener && WI.DOMDebuggerManager.supportsEventListenerBreakpoints())
>+            value = this._domEventNameInputElement.value;
>+        else {
>+            value = type;
>+
>+            if (type === "requestAnimationFrame" && WI.DOMDebuggerManager.supportsEventAnimationFrameBreakpoints())
>+                type = WI.EventBreakpoint.Type.AnimationFrame;
>+            else if (type === "setTimeout" || type === "setInterval" && WI.DOMDebuggerManager.supportsEventTimerBreakpoints())
>+                type = WI.EventBreakpoint.Type.Timer;
>+        }
>+
>+        if (type && value)
>+            this._breakpoint = new WI.EventBreakpoint(type, value);
>+
>+        super.dismiss();
>     }
> 
>     // Private
>@@ -83,7 +125,12 @@ WI.EventBreakpointPopover = class EventBreakpointPopover extends WI.Popover
> 
>         let targetFrame = WI.Rect.rectFromClientRect(this._targetElement.getBoundingClientRect());
>         this.present(targetFrame, this._preferredEdges);
>+    }
>+
>+    _handleTypeSelectChange(event)
>+    {
>+        this._domEventNameInputElement.hidden = this._typeSelectElement.value !== WI.EventBreakpoint.Type.Listener;
> 
>-        this._inputElement.select();
>+        this.update();
>     }
> };
>diff --git a/Source/WebInspectorUI/UserInterface/Views/EventBreakpointTreeElement.css b/Source/WebInspectorUI/UserInterface/Views/EventBreakpointTreeElement.css
>index 622f025034b6ff102292223a9f710fa2ed076e9c..d84b00b193ac236d8a1b09bd21c16556667a381c 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/EventBreakpointTreeElement.css
>+++ b/Source/WebInspectorUI/UserInterface/Views/EventBreakpointTreeElement.css
>@@ -23,6 +23,14 @@
>  * THE POSSIBILITY OF SUCH DAMAGE.
>  */
> 
>-.breakpoint.event:not(.breakpoint-paused-icon) .icon {
>-    content: url(../Images/EventBreakpoint.svg);
>+.breakpoint.event.animation-frame:not(.breakpoint-paused-icon) .icon {
>+    content: url(../Images/EventBreakpointAnimationFrame.svg);
>+}
>+
>+.breakpoint.event.listener:not(.breakpoint-paused-icon) .icon {
>+    content: url(../Images/EventBreakpointListener.svg);
>+}
>+
>+.breakpoint.event.timer:not(.breakpoint-paused-icon) .icon {
>+    content: url(../Images/EventBreakpointTimer.svg);
> }
>diff --git a/Source/WebInspectorUI/UserInterface/Views/EventBreakpointTreeElement.js b/Source/WebInspectorUI/UserInterface/Views/EventBreakpointTreeElement.js
>index 6964b79c9c64033c6dd3743c64d3640ef1331cd8..dab6fcac95ee8afdaa3240d515b1fb28ab13fea2 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/EventBreakpointTreeElement.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/EventBreakpointTreeElement.js
>@@ -29,7 +29,7 @@ WI.EventBreakpointTreeElement = class EventBreakpointTreeElement extends WI.Gene
>     {
>         console.assert(breakpoint instanceof WI.EventBreakpoint);
> 
>-        let classNames = ["breakpoint", "event"];
>+        let classNames = ["breakpoint", "event", breakpoint.type];
>         if (className)
>             classNames.push(className);
> 
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index ddbe2a91605bebfdd8f2828f8e37bcf901509227..f5f6abcc8f65d431886127708ef882fda48a304e 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,29 @@
>+2018-08-21  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: support breakpoints for timers and animation-frame events
>+        https://bugs.webkit.org/show_bug.cgi?id=188778
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * inspector/dom-debugger/event-animation-frame-breakpoints-expected.txt: Added.
>+        * inspector/dom-debugger/event-animation-frame-breakpoints.html: Added.
>+
>+        * inspector/dom-debugger/event-breakpoint-with-navigation.html:
>+
>+        * inspector/dom-debugger/event-timer-breakpoints-expected.txt: Added.
>+        * inspector/dom-debugger/event-timer-breakpoints.html: Added.
>+
>+        * inspector/dom-debugger/event-listener-breakpoints-expected.txt: Renamed from LayoutTests/inspector/dom-debugger/event-breakpoints-expected.txt.
>+        * inspector/dom-debugger/event-listener-breakpoints.html: Renamed from LayoutTests/inspector/dom-debugger/event-breakpoints.html.
>+
>+        * inspector/dom-debugger/resources/event-breakpoint-utilities.js: Added.
>+        (TestPage.registerInitializer.window.teardown):
>+        (TestPage.registerInitializer.window.failOnPause):
>+        (TestPage.registerInitializer.window.addBreakpoint):
>+        (TestPage.registerInitializer.window.removeBreakpoint):
>+        (TestPage.registerInitializer.window.disableBreakpoint):
>+        (TestPage.registerInitializer.window.awaitEvent):
>+
> 2018-08-20  Fujii Hironori  <Hironori.Fujii@sony.com>
> 
>         Unreviewed WinCairo port test gardening
>diff --git a/LayoutTests/inspector/dom-debugger/event-animation-frame-breakpoints-expected.txt b/LayoutTests/inspector/dom-debugger/event-animation-frame-breakpoints-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..b4c4f2017a1d29fc7a5c4ad92c9b46e34a83c3cb
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/event-animation-frame-breakpoints-expected.txt
>@@ -0,0 +1,38 @@
>+Tests for Event AnimationFrame breakpoints.
>+
>+
>+== Running test suite: DOMDebugger.Event.AnimationFrame
>+-- Running test case: DOMDebugger.Event.AnimationFrame.AddBreakpoint "requestAnimationFrame"
>+Adding "requestAnimationFrame" Event Breakpoint...
>+Firing "requestAnimationFrame" on window...
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleWindow_requestAnimationFrame
>+ASYNC CALL STACK:
>+1: --- requestAnimationFrame ---
>+2: [F] windowFire_requestAnimationFrame
>+3: [P] Global Code
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.AnimationFrame.AddDisabledBreakpoint "requestAnimationFrame"
>+Adding "requestAnimationFrame" Event Breakpoint...
>+Disabling "requestAnimationFrame" Event Breakpoint...
>+Firing "requestAnimationFrame" on window...
>+PASS: Should not pause for disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.AnimationFrame.RemoveBreakpoint "requestAnimationFrame"
>+Adding "requestAnimationFrame" Event Breakpoint...
>+Removing "requestAnimationFrame" Event Breakpoint...
>+Firing "requestAnimationFrame" on window...
>+PASS: Should not pause for removed breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.AnimationFrame.RemoveDisabledBreakpoint "requestAnimationFrame"
>+Adding "requestAnimationFrame" Event Breakpoint...
>+Disabling "requestAnimationFrame" Event Breakpoint...
>+Removing "requestAnimationFrame" Event Breakpoint...
>+Firing "requestAnimationFrame" on window...
>+PASS: Should not pause for removed disabled breakpoint.
>+-- Running test teardown.
>+
>diff --git a/LayoutTests/inspector/dom-debugger/event-animation-frame-breakpoints.html b/LayoutTests/inspector/dom-debugger/event-animation-frame-breakpoints.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..235dc0f0fe6022de79c95198268cd844e6c54c60
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/event-animation-frame-breakpoints.html
>@@ -0,0 +1,106 @@
>+<!doctype html>
>+<html>
>+<head>
>+<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
>+<script src="../debugger/resources/log-active-stack-trace.js"></script>
>+<script src="resources/event-breakpoint-utilities.js"></script>
>+<script>
>+
>+function handleWindow_requestAnimationFrame() {
>+    TestPage.dispatchEventToFrontend("TestPage-requestAnimationFrame");
>+}
>+
>+function windowFire_requestAnimationFrame() {
>+    requestAnimationFrame(handleWindow_requestAnimationFrame, 100);
>+}
>+
>+function test() {
>+    let suite = InspectorTest.createAsyncSuite("DOMDebugger.Event.AnimationFrame");
>+
>+    function addTestCasesForEventName(eventName) {
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.AnimationFrame.AddBreakpoint "${eventName}"`,
>+            description: "Check that the debugger pauses for enabled breakpoints.",
>+            teardown,
>+            test(resolve, reject) {
>+                let paused = false;
>+
>+                let listener = WI.debuggerManager.singleFireEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>+                    paused = true;
>+
>+                    InspectorTest.pass("Should pause before event handler is run.");
>+                    logActiveStackTrace();
>+
>+                    WI.debuggerManager.resume();
>+                });
>+
>+                InspectorTest.singleFireEventListener(`TestPage-${eventName}`, (event) => {
>+                    if (!paused) {
>+                        WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>+
>+                        InspectorTest.fail("Should pause before event handler is run.");
>+                    }
>+
>+                    resolve();
>+                });
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.AnimationFrame, eventName)
>+                .then(awaitEvent("window", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.AnimationFrame.AddDisabledBreakpoint "${eventName}"`,
>+            description: "Check that debugger does the not pause for disabled breakpoints.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.AnimationFrame, eventName, "Should not pause for disabled breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.AnimationFrame, eventName)
>+                .then(disableBreakpoint)
>+                .then(awaitEvent("window", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.AnimationFrame.RemoveBreakpoint "${eventName}"`,
>+            description: "Check that debugger does not pause for removed breakpoint.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.AnimationFrame, eventName, "Should not pause for removed breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.AnimationFrame, eventName)
>+                .then(removeBreakpoint)
>+                .then(awaitEvent("window", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.AnimationFrame.RemoveDisabledBreakpoint "${eventName}"`,
>+            description: "Check that a disabled breakpoint can be removed.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.AnimationFrame, eventName, "Should not pause for removed disabled breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.AnimationFrame, eventName)
>+                .then(disableBreakpoint)
>+                .then(removeBreakpoint)
>+                .then(awaitEvent("window", eventName))
>+                .catch(reject);
>+            },
>+        });
>+    }
>+
>+    addTestCasesForEventName("requestAnimationFrame");
>+
>+    suite.runTestCasesAndFinish();
>+}
>+</script>
>+</head>
>+<body onload="runTest()">
>+    <p>Tests for Event AnimationFrame breakpoints.</p>
>+</body>
>+</html>
>diff --git a/LayoutTests/inspector/dom-debugger/event-breakpoint-with-navigation.html b/LayoutTests/inspector/dom-debugger/event-breakpoint-with-navigation.html
>index 586f59d2f5f3725fa67f329530479a0eb4fc69c3..e70bb655bc515c17c470dd23221947e4833a557f 100644
>--- a/LayoutTests/inspector/dom-debugger/event-breakpoint-with-navigation.html
>+++ b/LayoutTests/inspector/dom-debugger/event-breakpoint-with-navigation.html
>@@ -44,11 +44,12 @@ function test() {
> 
>             InspectorTest.log("Adding \"load\" Event Breakpoint...");
> 
>-            let breakpoint = new WI.EventBreakpoint("load");
>+            let breakpoint = new WI.EventBreakpoint(WI.EventBreakpoint.Type.Listener, "load");
> 
>             WI.domDebuggerManager.awaitEvent(WI.DOMDebuggerManager.Event.EventBreakpointAdded)
>             .then((event) => {
>-                InspectorTest.assert(event.data.breakpoint.eventName, "load", "Breakpoint should be for expected event name.");
>+                InspectorTest.assert(event.data.breakpoint.type === WI.EventBreakpoint.Type.Listener, "Breakpoint should be for expected type.");
>+                InspectorTest.assert(event.data.breakpoint.eventName === "load", "Breakpoint should be for expected event name.");
> 
>                 InspectorTest.log("Reloading WebInspector...");
>                 return InspectorTest.reloadPage();
>diff --git a/LayoutTests/inspector/dom-debugger/event-breakpoints-expected.txt b/LayoutTests/inspector/dom-debugger/event-breakpoints-expected.txt
>deleted file mode 100644
>index 5114e695b393ced23d65bfe120e43248c25af92a..0000000000000000000000000000000000000000
>--- a/LayoutTests/inspector/dom-debugger/event-breakpoints-expected.txt
>+++ /dev/null
>@@ -1,83 +0,0 @@
>-Tests for Event Listener breakpoints.
>-
>-
>-== Running test suite: DOMDebugger.Event
>--- Running test case: DOMDebugger.Event.AddBreakpoint "click"
>-Adding "click" Event Breakpoint...
>-Firing "click" on body...
>-PASS: Should pause before event handler is run.
>-CALL STACK:
>-0: [F] handleBody_click
>-1: [F] bodyFire_click
>-2: [P] Global Code
>--- Running test teardown.
>-
>--- Running test case: DOMDebugger.Event.AddDisabledBreakpoint "click"
>-Adding "click" Event Breakpoint...
>-Disabling "click" Event Breakpoint...
>-Firing "click" on body...
>-PASS: Should not pause for disabled breakpoint.
>--- Running test teardown.
>-
>--- Running test case: DOMDebugger.Event.RemoveBreakpoint "click"
>-Adding "click" Event Breakpoint...
>-Removing "click" Event Breakpoint...
>-Firing "click" on body...
>-PASS: Should not pause for removed breakpoint.
>--- Running test teardown.
>-
>--- Running test case: DOMDebugger.Event.RemoveDisabledBreakpoint "click"
>-Adding "click" Event Breakpoint...
>-Disabling "click" Event Breakpoint...
>-Removing "click" Event Breakpoint...
>-Firing "click" on body...
>-PASS: Should not pause for removed disabled breakpoint.
>--- Running test teardown.
>-
>--- Running test case: DOMDebugger.Event.AddBreakpoint "custom"
>-Adding "custom" Event Breakpoint...
>-Firing "custom" on body...
>-PASS: Should pause before event handler is run.
>-CALL STACK:
>-0: [F] handleBody_custom
>-1: [F] bodyFire_custom
>-2: [P] Global Code
>--- Running test teardown.
>-
>--- Running test case: DOMDebugger.Event.AddDisabledBreakpoint "custom"
>-Adding "custom" Event Breakpoint...
>-Disabling "custom" Event Breakpoint...
>-Firing "custom" on body...
>-PASS: Should not pause for disabled breakpoint.
>--- Running test teardown.
>-
>--- Running test case: DOMDebugger.Event.RemoveBreakpoint "custom"
>-Adding "custom" Event Breakpoint...
>-Removing "custom" Event Breakpoint...
>-Firing "custom" on body...
>-PASS: Should not pause for removed breakpoint.
>--- Running test teardown.
>-
>--- Running test case: DOMDebugger.Event.RemoveDisabledBreakpoint "custom"
>-Adding "custom" Event Breakpoint...
>-Disabling "custom" Event Breakpoint...
>-Removing "custom" Event Breakpoint...
>-Firing "custom" on body...
>-PASS: Should not pause for removed disabled breakpoint.
>--- Running test teardown.
>-
>--- Running test case: DOMDebugger.Event.AddMultipleBreakpoints
>-Adding "click" Event Breakpoint...
>-Firing "click" on div#x...
>-PASS: Should pause before event handler is run.
>-CALL STACK:
>-0: [F] handleX_click
>-1: [F] xFire_click
>-2: [P] Global Code
>-PASS: Should pause before event handler is run.
>-CALL STACK:
>-0: [F] handleBody_click
>-1: [F] xFire_click
>-2: [P] Global Code
>--- Running test teardown.
>-
>diff --git a/LayoutTests/inspector/dom-debugger/event-breakpoints.html b/LayoutTests/inspector/dom-debugger/event-breakpoints.html
>deleted file mode 100644
>index 29fb9b9752545cbb1ff7ce2ec353979b2b48e6fe..0000000000000000000000000000000000000000
>--- a/LayoutTests/inspector/dom-debugger/event-breakpoints.html
>+++ /dev/null
>@@ -1,249 +0,0 @@
>-<!doctype html>
>-<html>
>-<head>
>-<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
>-<script src="../debugger/resources/log-active-stack-trace.js"></script>
>-<script>
>-function handleBody_click(event) {
>-    TestPage.dispatchEventToFrontend("TestPageBody-click");
>-}
>-
>-function handleBody_custom(event) {
>-    TestPage.dispatchEventToFrontend("TestPageBody-custom");
>-}
>-
>-function handleX_click(event) {
>-    TestPage.dispatchEventToFrontend("TestPageX-click");
>-}
>-
>-function bodyFire_click() {
>-    document.body.click();
>-}
>-
>-function bodyFire_custom() {
>-    document.body.dispatchEvent(new Event("custom"));
>-}
>-
>-function xFire_click() {
>-    document.getElementById("x").click();
>-}
>-
>-function test() {
>-    let suite = InspectorTest.createAsyncSuite("DOMDebugger.Event");
>-
>-    function teardown(resolve, reject) {
>-        let breakpoints = WI.domDebuggerManager.eventBreakpoints;
>-        for (let breakpoint of breakpoints)
>-            WI.domDebuggerManager.removeEventBreakpoint(breakpoint);
>-
>-        resolve();
>-    }
>-
>-    function awaitBodyEvent(eventName) {
>-        return function() {
>-            InspectorTest.log(`Firing "${eventName}" on body...`);
>-            return InspectorTest.evaluateInPage(`bodyFire_${eventName}()`);
>-        };
>-    }
>-
>-    function failOnPause(resolve, eventName, message) {
>-        let paused = false;
>-
>-        let listener = WI.debuggerManager.singleFireEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>-            paused = true;
>-
>-            let targetData = WI.debuggerManager.dataForTarget(WI.debuggerManager.activeCallFrame.target);
>-            InspectorTest.assert(targetData.pauseReason === WI.DebuggerManager.PauseReason.EventListener, "Pause reason should be EventListener.");
>-            InspectorTest.assert(targetData.pauseData.eventName === eventName, `Pause data eventName should be "${eventName}".`);
>-
>-            InspectorTest.fail(message);
>-            logActiveStackTrace();
>-
>-            WI.debuggerManager.resume()
>-            .catch((reason) => {
>-                InspectorTest.fail(reason);
>-                resolve();
>-            });
>-        });
>-
>-        InspectorTest.singleFireEventListener("TestPageBody-" + eventName, (event) => {
>-            if (!paused) {
>-                WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>-
>-                InspectorTest.pass(message);
>-            }
>-
>-            resolve();
>-        });
>-    }
>-
>-    function addBreakpoint(eventName) {
>-        InspectorTest.log(`Adding "${eventName}" Event Breakpoint...`);
>-
>-        return new Promise((resolve, reject) => {
>-            let breakpoint = new WI.EventBreakpoint(eventName);
>-
>-            WI.domDebuggerManager.awaitEvent(WI.DOMDebuggerManager.Event.EventBreakpointAdded)
>-            .then((event) => {
>-                InspectorTest.assert(event.data.breakpoint.eventName === eventName, "Breakpoint should be for expected event name.");
>-                InspectorTest.assert(!breakpoint.disabled, "Breakpoint should not be disabled initially.");
>-                resolve(breakpoint);
>-            });
>-
>-            WI.domDebuggerManager.addEventBreakpoint(breakpoint);
>-        });
>-    }
>-
>-    function removeBreakpoint(breakpoint) {
>-        InspectorTest.log(`Removing "${breakpoint.eventName}" Event Breakpoint...`);
>-
>-        return new Promise((resolve, reject) => {
>-            WI.domDebuggerManager.awaitEvent(WI.DOMDebuggerManager.Event.EventBreakpointRemoved)
>-            .then((event) => {
>-                InspectorTest.assert(event.data.breakpoint === breakpoint, "Removed Breakpoint should be expected object.");
>-                InspectorTest.assert(!WI.domDebuggerManager.eventBreakpoints.includes(breakpoint), "Breakpoint should not be in the list of breakpoints.");
>-                resolve(breakpoint);
>-            });
>-
>-            WI.domDebuggerManager.removeEventBreakpoint(breakpoint);
>-        });
>-    }
>-
>-    function disableBreakpoint(breakpoint) {
>-        InspectorTest.log(`Disabling "${breakpoint.eventName}" Event Breakpoint...`);
>-
>-        breakpoint.disabled = true;
>-        return breakpoint;
>-    }
>-
>-    function addTestCasesForEventName(eventName) {
>-        suite.addTestCase({
>-            name: `DOMDebugger.Event.AddBreakpoint "${eventName}"`,
>-            description: "Check that the debugger pauses for enabled breakpoints.",
>-            teardown,
>-            test(resolve, reject) {
>-                let paused = false;
>-
>-                let listener = WI.debuggerManager.singleFireEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>-                    paused = true;
>-
>-                    InspectorTest.pass("Should pause before event handler is run.");
>-                    logActiveStackTrace();
>-
>-                    WI.debuggerManager.resume();
>-                });
>-
>-                InspectorTest.singleFireEventListener(`TestPageBody-${eventName}`, (event) => {
>-                    if (!paused) {
>-                        WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>-
>-                        InspectorTest.fail("Should pause before event handler is run.");
>-                    }
>-
>-                    resolve();
>-                });
>-
>-                addBreakpoint(eventName)
>-                .then(awaitBodyEvent(eventName))
>-                .catch(reject);
>-            },
>-        });
>-
>-        suite.addTestCase({
>-            name: `DOMDebugger.Event.AddDisabledBreakpoint "${eventName}"`,
>-            description: "Check that debugger does the not pause for disabled breakpoints.",
>-            teardown,
>-            test(resolve, reject) {
>-                failOnPause(resolve, eventName, "Should not pause for disabled breakpoint.");
>-
>-                addBreakpoint(eventName)
>-                .then(disableBreakpoint)
>-                .then(awaitBodyEvent(eventName))
>-                .catch(reject);
>-            },
>-        });
>-
>-        suite.addTestCase({
>-            name: `DOMDebugger.Event.RemoveBreakpoint "${eventName}"`,
>-            description: "Check that debugger does not pause for removed breakpoint.",
>-            teardown,
>-            test(resolve, reject) {
>-                failOnPause(resolve, eventName, "Should not pause for removed breakpoint.");
>-
>-                addBreakpoint(eventName)
>-                .then(removeBreakpoint)
>-                .then(awaitBodyEvent(eventName))
>-                .catch(reject);
>-            },
>-        });
>-
>-        suite.addTestCase({
>-            name: `DOMDebugger.Event.RemoveDisabledBreakpoint "${eventName}"`,
>-            description: "Check that a disabled breakpoint can be removed.",
>-            teardown,
>-            test(resolve, reject) {
>-                failOnPause(resolve, eventName, "Should not pause for removed disabled breakpoint.");
>-
>-                addBreakpoint(eventName)
>-                .then(disableBreakpoint)
>-                .then(removeBreakpoint)
>-                .then(awaitBodyEvent(eventName))
>-                .catch(reject);
>-            },
>-        });
>-
>-    }
>-
>-    addTestCasesForEventName("click");
>-    addTestCasesForEventName("custom");
>-
>-    suite.addTestCase({
>-        name: `DOMDebugger.Event.AddMultipleBreakpoints`,
>-        description: "Check that a single breakpoint pauses for every event of that type.",
>-        teardown,
>-        test(resolve, reject) {
>-            let pauseCount = 0;
>-
>-            let listener = WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>-                ++pauseCount;
>-
>-                InspectorTest.pass("Should pause before event handler is run.");
>-                logActiveStackTrace();
>-
>-                WI.debuggerManager.resume()
>-                .catch((reason) => {
>-                    InspectorTest.fail(reason);
>-                    resolve();
>-                });
>-
>-                if (pauseCount >= 2) {
>-                    WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>-
>-                    resolve();
>-                }
>-            });
>-
>-            addBreakpoint("click")
>-            .then(() => {
>-                InspectorTest.log("Firing \"click\" on div#x...");
>-                return InspectorTest.evaluateInPage(`xFire_click()`);
>-            })
>-            .catch(reject);
>-        },
>-    });
>-
>-    suite.runTestCasesAndFinish();
>-}
>-</script>
>-</head>
>-<body onload="runTest()">
>-    <p>Tests for Event Listener breakpoints.</p>
>-    <div id="x"></div>
>-    <script>
>-        document.body.addEventListener("click", handleBody_click);
>-        document.body.addEventListener("custom", handleBody_custom);
>-
>-        document.getElementById("x").addEventListener("click", handleX_click);
>-    </script>
>-</body>
>-</html>
>diff --git a/LayoutTests/inspector/dom-debugger/event-listener-breakpoints-expected.txt b/LayoutTests/inspector/dom-debugger/event-listener-breakpoints-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..1391e7ff15a3551d6b6b273c0d69caa889bdb6e2
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/event-listener-breakpoints-expected.txt
>@@ -0,0 +1,83 @@
>+Tests for Event Listener breakpoints.
>+
>+
>+== Running test suite: DOMDebugger.Event.Listener
>+-- Running test case: DOMDebugger.Event.Listener.AddBreakpoint "click"
>+Adding "click" Event Breakpoint...
>+Firing "click" on body...
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleBody_click
>+1: [F] bodyFire_click
>+2: [P] Global Code
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.AddDisabledBreakpoint "click"
>+Adding "click" Event Breakpoint...
>+Disabling "click" Event Breakpoint...
>+Firing "click" on body...
>+PASS: Should not pause for disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.RemoveBreakpoint "click"
>+Adding "click" Event Breakpoint...
>+Removing "click" Event Breakpoint...
>+Firing "click" on body...
>+PASS: Should not pause for removed breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.RemoveDisabledBreakpoint "click"
>+Adding "click" Event Breakpoint...
>+Disabling "click" Event Breakpoint...
>+Removing "click" Event Breakpoint...
>+Firing "click" on body...
>+PASS: Should not pause for removed disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.AddBreakpoint "custom"
>+Adding "custom" Event Breakpoint...
>+Firing "custom" on body...
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleBody_custom
>+1: [F] bodyFire_custom
>+2: [P] Global Code
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.AddDisabledBreakpoint "custom"
>+Adding "custom" Event Breakpoint...
>+Disabling "custom" Event Breakpoint...
>+Firing "custom" on body...
>+PASS: Should not pause for disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.RemoveBreakpoint "custom"
>+Adding "custom" Event Breakpoint...
>+Removing "custom" Event Breakpoint...
>+Firing "custom" on body...
>+PASS: Should not pause for removed breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.RemoveDisabledBreakpoint "custom"
>+Adding "custom" Event Breakpoint...
>+Disabling "custom" Event Breakpoint...
>+Removing "custom" Event Breakpoint...
>+Firing "custom" on body...
>+PASS: Should not pause for removed disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.AddMultipleBreakpoints
>+Adding "click" Event Breakpoint...
>+Firing "click" on div#x...
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleX_click
>+1: [F] xFire_click
>+2: [P] Global Code
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleBody_click
>+1: [F] xFire_click
>+2: [P] Global Code
>+-- Running test teardown.
>+
>diff --git a/LayoutTests/inspector/dom-debugger/event-listener-breakpoints.html b/LayoutTests/inspector/dom-debugger/event-listener-breakpoints.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..79b07edaafd5ef829c04732b994e6878683cd716
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/event-listener-breakpoints.html
>@@ -0,0 +1,163 @@
>+<!doctype html>
>+<html>
>+<head>
>+<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
>+<script src="../debugger/resources/log-active-stack-trace.js"></script>
>+<script src="resources/event-breakpoint-utilities.js"></script>
>+<script>
>+function handleBody_click(event) {
>+    TestPage.dispatchEventToFrontend("TestPage-click");
>+}
>+
>+function handleBody_custom(event) {
>+    TestPage.dispatchEventToFrontend("TestPage-custom");
>+}
>+
>+function handleX_click(event) {
>+}
>+
>+function bodyFire_click() {
>+    document.body.click();
>+}
>+
>+function bodyFire_custom() {
>+    document.body.dispatchEvent(new Event("custom"));
>+}
>+
>+function xFire_click() {
>+    document.getElementById("x").click();
>+}
>+
>+function test() {
>+    let suite = InspectorTest.createAsyncSuite("DOMDebugger.Event.Listener");
>+
>+    function addTestCasesForEventName(eventName) {
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.Listener.AddBreakpoint "${eventName}"`,
>+            description: "Check that the debugger pauses for enabled breakpoints.",
>+            teardown,
>+            test(resolve, reject) {
>+                let paused = false;
>+
>+                let listener = WI.debuggerManager.singleFireEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>+                    paused = true;
>+
>+                    InspectorTest.pass("Should pause before event handler is run.");
>+                    logActiveStackTrace();
>+
>+                    WI.debuggerManager.resume();
>+                });
>+
>+                InspectorTest.singleFireEventListener(`TestPage-${eventName}`, (event) => {
>+                    if (!paused) {
>+                        WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>+
>+                        InspectorTest.fail("Should pause before event handler is run.");
>+                    }
>+
>+                    resolve();
>+                });
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.Listener, eventName)
>+                .then(awaitEvent("body", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.Listener.AddDisabledBreakpoint "${eventName}"`,
>+            description: "Check that debugger does the not pause for disabled breakpoints.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.EventListener, eventName, "Should not pause for disabled breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.Listener, eventName)
>+                .then(disableBreakpoint)
>+                .then(awaitEvent("body", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.Listener.RemoveBreakpoint "${eventName}"`,
>+            description: "Check that debugger does not pause for removed breakpoint.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.EventListener, eventName, "Should not pause for removed breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.Listener, eventName)
>+                .then(removeBreakpoint)
>+                .then(awaitEvent("body", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.Listener.RemoveDisabledBreakpoint "${eventName}"`,
>+            description: "Check that a disabled breakpoint can be removed.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.EventListener, eventName, "Should not pause for removed disabled breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.Listener, eventName)
>+                .then(disableBreakpoint)
>+                .then(removeBreakpoint)
>+                .then(awaitEvent("body", eventName))
>+                .catch(reject);
>+            },
>+        });
>+    }
>+
>+    addTestCasesForEventName("click");
>+    addTestCasesForEventName("custom");
>+
>+    suite.addTestCase({
>+        name: `DOMDebugger.Event.Listener.AddMultipleBreakpoints`,
>+        description: "Check that a single breakpoint pauses for every event of that type.",
>+        teardown,
>+        test(resolve, reject) {
>+            let pauseCount = 0;
>+
>+            let listener = WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>+                ++pauseCount;
>+
>+                InspectorTest.pass("Should pause before event handler is run.");
>+                logActiveStackTrace();
>+
>+                WI.debuggerManager.resume()
>+                .catch((reason) => {
>+                    InspectorTest.fail(reason);
>+                    resolve();
>+                });
>+
>+                if (pauseCount >= 2) {
>+                    WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>+
>+                    resolve();
>+                }
>+            });
>+
>+            addBreakpoint(WI.EventBreakpoint.Type.Listener, "click")
>+            .then(() => {
>+                InspectorTest.log("Firing \"click\" on div#x...");
>+                return InspectorTest.evaluateInPage(`xFire_click()`);
>+            })
>+            .catch(reject);
>+        },
>+    });
>+
>+    suite.runTestCasesAndFinish();
>+}
>+</script>
>+</head>
>+<body onload="runTest()">
>+    <p>Tests for Event Listener breakpoints.</p>
>+    <div id="x"></div>
>+    <script>
>+        document.body.addEventListener("click", handleBody_click);
>+        document.body.addEventListener("custom", handleBody_custom);
>+
>+        document.getElementById("x").addEventListener("click", handleX_click);
>+    </script>
>+</body>
>+</html>
>diff --git a/LayoutTests/inspector/dom-debugger/event-timer-breakpoints-expected.txt b/LayoutTests/inspector/dom-debugger/event-timer-breakpoints-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..54c9653072c0a0fed5cceae98777cee1334ac8c5
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/event-timer-breakpoints-expected.txt
>@@ -0,0 +1,91 @@
>+Tests for Event Timer breakpoints.
>+
>+
>+== Running test suite: DOMDebugger.Event.Timer
>+-- Running test case: DOMDebugger.Event.Timer.AddBreakpoint "setTimeout"
>+Adding "setTimeout" Event Breakpoint...
>+Firing "setTimeout" on window...
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleWindow_setTimeout
>+ASYNC CALL STACK:
>+1: --- setTimeout ---
>+2: [F] windowFire_setTimeout
>+3: [P] Global Code
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Timer.AddDisabledBreakpoint "setTimeout"
>+Adding "setTimeout" Event Breakpoint...
>+Disabling "setTimeout" Event Breakpoint...
>+Firing "setTimeout" on window...
>+PASS: Should not pause for disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Timer.RemoveBreakpoint "setTimeout"
>+Adding "setTimeout" Event Breakpoint...
>+Removing "setTimeout" Event Breakpoint...
>+Firing "setTimeout" on window...
>+PASS: Should not pause for removed breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Timer.RemoveDisabledBreakpoint "setTimeout"
>+Adding "setTimeout" Event Breakpoint...
>+Disabling "setTimeout" Event Breakpoint...
>+Removing "setTimeout" Event Breakpoint...
>+Firing "setTimeout" on window...
>+PASS: Should not pause for removed disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Timer.AddBreakpoint "setInterval"
>+Adding "setInterval" Event Breakpoint...
>+Firing "setInterval" on window...
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleWindow_setInterval
>+ASYNC CALL STACK:
>+1: --- setInterval ---
>+2: [F] windowFire_setInterval
>+3: [P] Global Code
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Timer.AddDisabledBreakpoint "setInterval"
>+Adding "setInterval" Event Breakpoint...
>+Disabling "setInterval" Event Breakpoint...
>+Firing "setInterval" on window...
>+PASS: Should not pause for disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Timer.RemoveBreakpoint "setInterval"
>+Adding "setInterval" Event Breakpoint...
>+Removing "setInterval" Event Breakpoint...
>+Firing "setInterval" on window...
>+PASS: Should not pause for removed breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Timer.RemoveDisabledBreakpoint "setInterval"
>+Adding "setInterval" Event Breakpoint...
>+Disabling "setInterval" Event Breakpoint...
>+Removing "setInterval" Event Breakpoint...
>+Firing "setInterval" on window...
>+PASS: Should not pause for removed disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: DOMDebugger.Event.Listener.RepeatFireBreakpoint
>+Adding "setInterval" Event Breakpoint...
>+Firing "setInterval" on window...
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleRepeat
>+ASYNC CALL STACK:
>+1: --- setInterval ---
>+2: [F] repeatSetInterval
>+3: [P] Global Code
>+PASS: Should pause before event handler is run.
>+CALL STACK:
>+0: [F] handleRepeat
>+ASYNC CALL STACK:
>+1: --- setInterval ---
>+2: [F] repeatSetInterval
>+3: [P] Global Code
>+-- Running test teardown.
>+
>diff --git a/LayoutTests/inspector/dom-debugger/event-timer-breakpoints.html b/LayoutTests/inspector/dom-debugger/event-timer-breakpoints.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..e680315e97725412a348a529e7132141800c42ab
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/event-timer-breakpoints.html
>@@ -0,0 +1,171 @@
>+<!doctype html>
>+<html>
>+<head>
>+<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
>+<script src="../debugger/resources/log-active-stack-trace.js"></script>
>+<script src="resources/event-breakpoint-utilities.js"></script>
>+<script>
>+
>+let intervalID = NaN;
>+
>+function handleWindow_setTimeout() {
>+    TestPage.dispatchEventToFrontend("TestPage-setTimeout");
>+}
>+
>+function handleWindow_setInterval() {
>+    TestPage.dispatchEventToFrontend("TestPage-setInterval");
>+
>+    repeatClearInterval();
>+}
>+
>+function handleRepeat() {
>+}
>+
>+function windowFire_setTimeout() {
>+    setTimeout(handleWindow_setTimeout, 100);
>+}
>+
>+function windowFire_setInterval() {
>+    intervalID = setInterval(handleWindow_setInterval, 100);
>+}
>+
>+function repeatSetInterval() {
>+    intervalID = setInterval(handleRepeat, 100);
>+}
>+
>+function repeatClearInterval() {
>+    clearInterval(intervalID);
>+    intervalID = NaN;
>+}
>+
>+function test() {
>+    let suite = InspectorTest.createAsyncSuite("DOMDebugger.Event.Timer");
>+
>+    function addTestCasesForEventName(eventName) {
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.Timer.AddBreakpoint "${eventName}"`,
>+            description: "Check that the debugger pauses for enabled breakpoints.",
>+            teardown,
>+            test(resolve, reject) {
>+                let paused = false;
>+
>+                let listener = WI.debuggerManager.singleFireEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>+                    paused = true;
>+
>+                    InspectorTest.pass("Should pause before event handler is run.");
>+                    logActiveStackTrace();
>+
>+                    WI.debuggerManager.resume();
>+                });
>+
>+                InspectorTest.singleFireEventListener(`TestPage-${eventName}`, (event) => {
>+                    if (!paused) {
>+                        WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>+
>+                        InspectorTest.fail("Should pause before event handler is run.");
>+                    }
>+
>+                    resolve();
>+                });
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.Timer, eventName)
>+                .then(awaitEvent("window", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.Timer.AddDisabledBreakpoint "${eventName}"`,
>+            description: "Check that debugger does the not pause for disabled breakpoints.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.Timer, eventName, "Should not pause for disabled breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.Timer, eventName)
>+                .then(disableBreakpoint)
>+                .then(awaitEvent("window", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.Timer.RemoveBreakpoint "${eventName}"`,
>+            description: "Check that debugger does not pause for removed breakpoint.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.Timer, eventName, "Should not pause for removed breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.Timer, eventName)
>+                .then(removeBreakpoint)
>+                .then(awaitEvent("window", eventName))
>+                .catch(reject);
>+            },
>+        });
>+
>+        suite.addTestCase({
>+            name: `DOMDebugger.Event.Timer.RemoveDisabledBreakpoint "${eventName}"`,
>+            description: "Check that a disabled breakpoint can be removed.",
>+            teardown,
>+            test(resolve, reject) {
>+                failOnPause(resolve, WI.DebuggerManager.PauseReason.Timer, eventName, "Should not pause for removed disabled breakpoint.");
>+
>+                addBreakpoint(WI.EventBreakpoint.Type.Timer, eventName)
>+                .then(disableBreakpoint)
>+                .then(removeBreakpoint)
>+                .then(awaitEvent("window", eventName))
>+                .catch(reject);
>+            },
>+        });
>+    }
>+
>+    addTestCasesForEventName("setTimeout");
>+    addTestCasesForEventName("setInterval");
>+
>+    suite.addTestCase({
>+        name: `DOMDebugger.Event.Listener.RepeatFireBreakpoint`,
>+        description: "Check that a single breakpoint pauses multiple times for the same interval.",
>+        teardown,
>+        test(resolve, reject) {
>+            let pauseCount = 0;
>+
>+            let listener = WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>+                ++pauseCount;
>+
>+                InspectorTest.pass("Should pause before event handler is run.");
>+                logActiveStackTrace();
>+
>+                WI.debuggerManager.resume()
>+                .catch((reason) => {
>+                    InspectorTest.fail(reason);
>+                    resolve();
>+                });
>+
>+                if (pauseCount >= 2) {
>+                    WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>+
>+                    InspectorTest.evaluateInPage(`repeatClearInterval()`)
>+                    .then(resolve)
>+                    .catch((reason) => {
>+                        InspectorTest.fail(reason);
>+                        resolve();
>+                    });
>+                }
>+            });
>+
>+            addBreakpoint(WI.EventBreakpoint.Type.Timer, "setInterval")
>+            .then(() => {
>+                InspectorTest.log("Firing \"setInterval\" on window...");
>+                return InspectorTest.evaluateInPage(`repeatSetInterval()`);
>+            })
>+            .catch(reject);
>+        },
>+    });
>+
>+    suite.runTestCasesAndFinish();
>+}
>+</script>
>+</head>
>+<body onload="runTest()">
>+    <p>Tests for Event Timer breakpoints.</p>
>+</body>
>+</html>
>diff --git a/LayoutTests/inspector/dom-debugger/resources/event-breakpoint-utilities.js b/LayoutTests/inspector/dom-debugger/resources/event-breakpoint-utilities.js
>new file mode 100644
>index 0000000000000000000000000000000000000000..7974c8de7cf1302d0d8fc616e717af684798ed25
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/resources/event-breakpoint-utilities.js
>@@ -0,0 +1,87 @@
>+TestPage.registerInitializer(() => {
>+    window.teardown = function(resolve, reject) {
>+        let breakpoints = WI.domDebuggerManager.eventBreakpoints;
>+        for (let breakpoint of breakpoints)
>+            WI.domDebuggerManager.removeEventBreakpoint(breakpoint);
>+
>+        resolve();
>+    };
>+
>+    window.failOnPause = function(resolve, pauseReason, eventName, message) {
>+        let paused = false;
>+
>+        let listener = WI.debuggerManager.singleFireEventListener(WI.DebuggerManager.Event.Paused, (event) => {
>+            paused = true;
>+
>+            let targetData = WI.debuggerManager.dataForTarget(WI.debuggerManager.activeCallFrame.target);
>+            InspectorTest.assert(targetData.pauseReason === pauseReason, `Pause reason should be "${pauseReason}".`);
>+            InspectorTest.assert(targetData.pauseData.eventName === eventName, `Pause data eventName should be "${eventName}".`);
>+
>+            InspectorTest.fail(message);
>+            logActiveStackTrace();
>+
>+            WI.debuggerManager.resume()
>+            .catch((reason) => {
>+                InspectorTest.fail(reason);
>+                resolve();
>+            });
>+        });
>+
>+        InspectorTest.singleFireEventListener("TestPage-" + eventName, (event) => {
>+            if (!paused) {
>+                WI.debuggerManager.removeEventListener(WI.DebuggerManager.Event.Paused, listener);
>+
>+                InspectorTest.pass(message);
>+            }
>+
>+            resolve();
>+        });
>+    };
>+
>+    window.addBreakpoint = function(type, eventName) {
>+        InspectorTest.log(`Adding "${eventName}" Event Breakpoint...`);
>+
>+        return new Promise((resolve, reject) => {
>+            let breakpoint = new WI.EventBreakpoint(type, eventName);
>+
>+            WI.domDebuggerManager.awaitEvent(WI.DOMDebuggerManager.Event.EventBreakpointAdded)
>+            .then((event) => {
>+                InspectorTest.assert(event.data.breakpoint.type === type, `Breakpoint should be for expected type "${type}".`);
>+                InspectorTest.assert(event.data.breakpoint.eventName === eventName, `Breakpoint should be for expected event name "${eventName}".`);
>+                InspectorTest.assert(!breakpoint.disabled, "Breakpoint should not be disabled initially.");
>+                resolve(breakpoint);
>+            });
>+
>+            WI.domDebuggerManager.addEventBreakpoint(breakpoint);
>+        });
>+    };
>+
>+    window.removeBreakpoint = function(breakpoint) {
>+        InspectorTest.log(`Removing "${breakpoint.eventName}" Event Breakpoint...`);
>+
>+        return new Promise((resolve, reject) => {
>+            WI.domDebuggerManager.awaitEvent(WI.DOMDebuggerManager.Event.EventBreakpointRemoved)
>+            .then((event) => {
>+                InspectorTest.assert(event.data.breakpoint === breakpoint, "Removed Breakpoint should be expected object.");
>+                InspectorTest.assert(!WI.domDebuggerManager.eventBreakpoints.includes(breakpoint), "Breakpoint should not be in the list of breakpoints.");
>+                resolve(breakpoint);
>+            });
>+
>+            WI.domDebuggerManager.removeEventBreakpoint(breakpoint);
>+        });
>+    };
>+
>+    window.disableBreakpoint = function(breakpoint) {
>+        InspectorTest.log(`Disabling "${breakpoint.eventName}" Event Breakpoint...`);
>+
>+        breakpoint.disabled = true;
>+        return breakpoint;
>+    };
>+
>+    window.awaitEvent = function(context, eventName) {
>+        return function() {
>+            InspectorTest.log(`Firing "${eventName}" on ${context}...`);
>+            return InspectorTest.evaluateInPage(`${context}Fire_${eventName}()`);
>+        };
>+    };
>+});

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Attachments on bug 188778: 347612 | 347620 | 347622 | 347702 | 347716 | 347755 | 347768 | 347824 | 347907 | 347933 | 347940