Attachment 358471 Details for Bug 185843 – Patch

[patch] Patch

bug-185843-20190106185632.patch (text/plain), 103.82 KB, created by Devin Rousso on 2019-01-06 17:56:33 PST

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Creator: Devin Rousso

Created: 2019-01-06 17:56:33 PST

Size: 103.82 KB

patch

obsolete

>diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
>index ef46089a850bdc2a4206b553d0b522e5b16d5ed7..37ef2cc1224b14ccf1884bae0923a88480e4c866 100644
>--- a/Source/JavaScriptCore/ChangeLog
>+++ b/Source/JavaScriptCore/ChangeLog
>@@ -1,3 +1,17 @@
>+2019-01-06  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: extend XHR breakpoints to work with fetch
>+        https://bugs.webkit.org/show_bug.cgi?id=185843
>+        <rdar://problem/40431027>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * inspector/protocol/DOMDebugger.json:
>+        Rename `XHR` to `URL`.
>+
>+        * inspector/protocol/Debugger.json:
>+        Add `Fetch` to `reason` enum for the `Debugger.paused` event.
>+
> 2019-01-04  Tadeu Zagallo  <tzagallo@apple.com>
> 
>         Baseline version of get_by_id may corrupt metadata
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index e0534ad94a566f8d78f72d23c490e11b53aeeea3..5307fa21b1a7696a79549ca88f8520ae870eb309 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,32 @@
>+2019-01-06  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: extend XHR breakpoints to work with fetch
>+        https://bugs.webkit.org/show_bug.cgi?id=185843
>+        <rdar://problem/40431027>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Test: inspector/dom-debugger/fetch-breakpoints.html
>+
>+        * Modules/fetch/FetchResponse.cpp:
>+        (WebCore::FetchResponse::fetch):
>+
>+        * inspector/InspectorInstrumentation.h:
>+        (WebCore::InspectorInstrumentation::willFetch): Added.
>+        * inspector/InspectorInstrumentation.cpp:
>+        (WebCore::InspectorInstrumentation::willFetchImpl): Added.
>+
>+        * inspector/agents/InspectorDOMDebuggerAgent.h:
>+        * inspector/agents/InspectorDOMDebuggerAgent.cpp:
>+        (WebCore::InspectorDOMDebuggerAgent::discardBindings):
>+        (WebCore::InspectorDOMDebuggerAgent::setURLBreakpoint): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::removeURLBreakpoint): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::breakOnURLIfNeeded): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::willSendXMLHttpRequest):
>+        (WebCore::InspectorDOMDebuggerAgent::willFetch): Added.
>+        (WebCore::InspectorDOMDebuggerAgent::setXHRBreakpoint): Deleted.
>+        (WebCore::InspectorDOMDebuggerAgent::removeXHRBreakpoint): Deleted.
>+
> 2019-01-06  Pablo Saavedra  <psaavedra@igalia.com>
> 
>         [WPE][GTK] Building with ENABLE_VIDEO=OFF fails trying to use Document MediaPlayback functions.
>diff --git a/Source/WebInspectorUI/ChangeLog b/Source/WebInspectorUI/ChangeLog
>index f05867e772b1e72f1f71f2d8dd7aa992a18c40c6..227e486a787083ac5c7528438a60d0b513da4d05 100644
>--- a/Source/WebInspectorUI/ChangeLog
>+++ b/Source/WebInspectorUI/ChangeLog
>@@ -1,3 +1,62 @@
>+2019-01-06  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: extend XHR breakpoints to work with fetch
>+        https://bugs.webkit.org/show_bug.cgi?id=185843
>+        <rdar://problem/40431027>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * UserInterface/Controllers/DOMDebuggerManager.js:
>+        (WI.DOMDebuggerManager):
>+        (WI.DOMDebuggerManager.supportsURLBreakpoints): Added.
>+        (WI.DOMDebuggerManager.prototype.get urlBreakpoints): Added.
>+        (WI.DOMDebuggerManager.prototype.urlBreakpointForURL): Added.
>+        (WI.DOMDebuggerManager.prototype.addURLBreakpoint): Added.
>+        (WI.DOMDebuggerManager.prototype.removeURLBreakpoint): Added.
>+        (WI.DOMDebuggerManager.prototype._speculativelyResolveBreakpoints):
>+        (WI.DOMDebuggerManager.prototype._updateURLBreakpoint): Added.
>+        (WI.DOMDebuggerManager.prototype._resolveURLBreakpoint): Added.
>+        (WI.DOMDebuggerManager.prototype._saveURLBreakpoints): Added.
>+        (WI.DOMDebuggerManager.prototype._urlBreakpointDisabledStateDidChange): Added.
>+        (WI.DOMDebuggerManager.prototype.get xhrBreakpoints): Deleted.
>+        (WI.DOMDebuggerManager.prototype.xhrBreakpointForURL): Deleted.
>+        (WI.DOMDebuggerManager.prototype.addXHRBreakpoint): Deleted.
>+        (WI.DOMDebuggerManager.prototype.removeXHRBreakpoint): Deleted.
>+        (WI.DOMDebuggerManager.prototype._updateXHRBreakpoint.breakpointUpdated): Deleted.
>+        (WI.DOMDebuggerManager.prototype._updateXHRBreakpoint): Deleted.
>+        (WI.DOMDebuggerManager.prototype._resolveXHRBreakpoint): Deleted.
>+        (WI.DOMDebuggerManager.prototype._saveXHRBreakpoints): Deleted.
>+        (WI.DOMDebuggerManager.prototype._xhrBreakpointDisabledStateDidChange): Deleted.
>+
>+        * UserInterface/Controllers/DebuggerManager.js:
>+        (WI.DebuggerManager.prototype._pauseReasonFromPayload):
>+
>+        * UserInterface/Views/DebuggerSidebarPanel.js:
>+        (WI.DebuggerSidebarPanel):
>+        (WI.DebuggerSidebarPanel.prototype.willDismissPopover):
>+        (WI.DebuggerSidebarPanel.prototype._addBreakpoint):
>+        (WI.DebuggerSidebarPanel.prototype._treeSelectionDidChange):
>+        (WI.DebuggerSidebarPanel.prototype._addTreeElement):
>+        (WI.DebuggerSidebarPanel.prototype._updatePauseReasonSection):
>+        (WI.DebuggerSidebarPanel.prototype._handleCreateBreakpointClicked):
>+
>+        * UserInterface/Views/NavigationSidebarPanel.js:
>+        (WI.NavigationSidebarPanel.prototype._isTreeElementWithoutRepresentedObject):
>+
>+        * UserInterface/Models/URLBreakpoint.js: Renamed from Source/WebInspectorUI/UserInterface/Models/XHRBreakpoint.js.
>+        * UserInterface/Views/URLBreakpointPopover.css: Renamed from Source/WebInspectorUI/UserInterface/Views/XHRBreakpointPopover.css.
>+        * UserInterface/Views/URLBreakpointPopover.js: Renamed from Source/WebInspectorUI/UserInterface/Views/XHRBreakpointPopover.js.
>+        * UserInterface/Views/URLBreakpointTreeElement.css: Renamed from Source/WebInspectorUI/UserInterface/Views/XHRBreakpointTreeElement.css.
>+        * UserInterface/Views/URLBreakpointTreeElement.js: Renamed from Source/WebInspectorUI/UserInterface/Views/XHRBreakpointTreeElement.js.
>+
>+        * UserInterface/Base/Setting.js:
>+        (WI.Setting.takeDeprecatedValue): Added.
>+
>+        * UserInterface/Main.html:
>+        * UserInterface/Test.html:
>+
>+        * Localizations/en.lproj/localizedStrings.js:
>+
> 2019-01-04  Joseph Pecoraro  <pecoraro@apple.com>
> 
>         Web Inspector: subclasses of WI.ClusterContentView don't save/restore content views after the initial view
>diff --git a/Source/JavaScriptCore/inspector/protocol/DOMDebugger.json b/Source/JavaScriptCore/inspector/protocol/DOMDebugger.json
>index b4204d18d057149f3d1bb2460ec9c3711114d801..b44c7f0b5eaba7c09026b5af9b30308602420773 100644
>--- a/Source/JavaScriptCore/inspector/protocol/DOMDebugger.json
>+++ b/Source/JavaScriptCore/inspector/protocol/DOMDebugger.json
>@@ -50,18 +50,18 @@
>             ]
>         },
>         {
>-            "name": "setXHRBreakpoint",
>-            "description": "Sets breakpoint on XMLHttpRequest.",
>+            "name": "setURLBreakpoint",
>+            "description": "Sets breakpoint on network activity for the given URL.",
>             "parameters": [
>-                { "name": "url", "type": "string", "description": "Resource URL substring or regular expression. All XHRs having this substring in the URL will get stopped upon. An empty string will pause on all XHRs." },
>+                { "name": "url", "type": "string", "description": "Resource URL substring or regular expression. All requests having this substring in the URL will get stopped upon. An empty string will pause on all requests." },
>                 { "name": "isRegex", "type": "boolean", "optional": true, "description": "Whether the URL string is a regular expression." }
>             ]
>         },
>         {
>-            "name": "removeXHRBreakpoint",
>-            "description": "Removes breakpoint from XMLHttpRequest.",
>+            "name": "removeURLBreakpoint",
>+            "description": "Removes breakpoint from network activity for the given URL.",
>             "parameters": [
>-                { "name": "url", "type": "string", "description": "Resource URL substring. An empty string will stop pausing on all XHRs." }
>+                { "name": "url", "type": "string", "description": "Resource URL substring. An empty string will stop pausing on all requests." }
>             ]
>         }
>     ]
>diff --git a/Source/JavaScriptCore/inspector/protocol/Debugger.json b/Source/JavaScriptCore/inspector/protocol/Debugger.json
>index 418a5be907cee7335231fcd4683bab92a1765c86..2ee444254aae10c3b4af7a11646921ee8574d279 100644
>--- a/Source/JavaScriptCore/inspector/protocol/Debugger.json
>+++ b/Source/JavaScriptCore/inspector/protocol/Debugger.json
>@@ -340,7 +340,7 @@
>             "description": "Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.",
>             "parameters": [
>                 { "name": "callFrames", "type": "array", "items": { "$ref": "CallFrame" }, "description": "Call stack the virtual machine stopped on." },
>-                { "name": "reason", "type": "string", "enum": ["XHR", "DOM", "AnimationFrame", "EventListener", "Timer", "exception", "assert", "CSPViolation", "DebuggerStatement", "Breakpoint", "PauseOnNextStatement", "other"], "description": "Pause reason." },
>+                { "name": "reason", "type": "string", "enum": ["XHR", "Fetch", "DOM", "AnimationFrame", "EventListener", "Timer", "exception", "assert", "CSPViolation", "DebuggerStatement", "Breakpoint", "PauseOnNextStatement", "other"], "description": "Pause reason." },
>                 { "name": "data", "type": "object", "optional": true, "description": "Object containing break-specific auxiliary properties." },
>                 { "name": "asyncStackTrace", "$ref": "Console.StackTrace", "optional": true, "description": "Linked list of asynchronous StackTraces." }
>             ]
>diff --git a/Source/WebCore/Modules/fetch/FetchResponse.cpp b/Source/WebCore/Modules/fetch/FetchResponse.cpp
>index 8dafc645025a02f036254aa31c1bda37ece29aed..3e999d811166547b53c083008c4f92c9adb9e081 100644
>--- a/Source/WebCore/Modules/fetch/FetchResponse.cpp
>+++ b/Source/WebCore/Modules/fetch/FetchResponse.cpp
>@@ -31,6 +31,7 @@
> 
> #include "FetchRequest.h"
> #include "HTTPParsers.h"
>+#include "InspectorInstrumentation.h"
> #include "JSBlob.h"
> #include "MIMETypeRegistry.h"
> #include "ReadableStreamSink.h"
>@@ -229,6 +230,9 @@ void FetchResponse::fetch(ScriptExecutionContext& context, FetchRequest& request
>         responseCallback(Exception { NotSupportedError, "ReadableStream uploading is not supported"_s });
>         return;
>     }
>+
>+    InspectorInstrumentation::willFetch(context, request.url());
>+
>     auto response = adoptRef(*new FetchResponse(context, FetchBody { }, FetchHeaders::create(FetchHeaders::Guard::Immutable), { }));
> 
>     response->body().consumer().setAsLoading();
>diff --git a/Source/WebCore/inspector/InspectorInstrumentation.cpp b/Source/WebCore/inspector/InspectorInstrumentation.cpp
>index 62e09cf0747d6527ba9edb179e1c55e57b8f9cc7..cc8f1f033b0c420c056b34a613d96ee607414464 100644
>--- a/Source/WebCore/inspector/InspectorInstrumentation.cpp
>+++ b/Source/WebCore/inspector/InspectorInstrumentation.cpp
>@@ -298,6 +298,12 @@ void InspectorInstrumentation::willSendXMLHttpRequestImpl(InstrumentingAgents& i
>         domDebuggerAgent->willSendXMLHttpRequest(url);
> }
> 
>+void InspectorInstrumentation::willFetchImpl(InstrumentingAgents& instrumentingAgents, const String& url)
>+{
>+    if (InspectorDOMDebuggerAgent* domDebuggerAgent = instrumentingAgents.inspectorDOMDebuggerAgent())
>+        domDebuggerAgent->willFetch(url);
>+}
>+
> void InspectorInstrumentation::didInstallTimerImpl(InstrumentingAgents& instrumentingAgents, int timerId, Seconds timeout, bool singleShot, ScriptExecutionContext& context)
> {
>     if (InspectorDebuggerAgent* debuggerAgent = instrumentingAgents.inspectorDebuggerAgent())
>diff --git a/Source/WebCore/inspector/InspectorInstrumentation.h b/Source/WebCore/inspector/InspectorInstrumentation.h
>index 6b20ccac91dbfded8879481f725f39ac60153f34..fdaea62164ad41a658c1c0338a59d844a4c9e6b0 100644
>--- a/Source/WebCore/inspector/InspectorInstrumentation.h
>+++ b/Source/WebCore/inspector/InspectorInstrumentation.h
>@@ -137,6 +137,7 @@ public:
>     static bool forcePseudoState(const Element&, CSSSelector::PseudoClassType);
> 
>     static void willSendXMLHttpRequest(ScriptExecutionContext*, const String& url);
>+    static void willFetch(ScriptExecutionContext&, const String& url);
>     static void didInstallTimer(ScriptExecutionContext&, int timerId, Seconds timeout, bool singleShot);
>     static void didRemoveTimer(ScriptExecutionContext&, int timerId);
> 
>@@ -328,6 +329,7 @@ private:
>     static bool forcePseudoStateImpl(InstrumentingAgents&, const Element&, CSSSelector::PseudoClassType);
> 
>     static void willSendXMLHttpRequestImpl(InstrumentingAgents&, const String& url);
>+    static void willFetchImpl(InstrumentingAgents&, const String& url);
>     static void didInstallTimerImpl(InstrumentingAgents&, int timerId, Seconds timeout, bool singleShot, ScriptExecutionContext&);
>     static void didRemoveTimerImpl(InstrumentingAgents&, int timerId, ScriptExecutionContext&);
> 
>@@ -695,6 +697,13 @@ inline void InspectorInstrumentation::willSendXMLHttpRequest(ScriptExecutionCont
>         willSendXMLHttpRequestImpl(*instrumentingAgents, url);
> }
> 
>+inline void InspectorInstrumentation::willFetch(ScriptExecutionContext& context, const String& url)
>+{
>+    FAST_RETURN_IF_NO_FRONTENDS(void());
>+    if (InstrumentingAgents* instrumentingAgents = instrumentingAgentsForContext(context))
>+        willFetchImpl(*instrumentingAgents, url);
>+}
>+
> inline void InspectorInstrumentation::didInstallTimer(ScriptExecutionContext& context, int timerId, Seconds timeout, bool singleShot)
> {
>     FAST_RETURN_IF_NO_FRONTENDS(void());
>diff --git a/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.cpp b/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.cpp
>index dad24f794f0b4180d701c8de26ce167a8db7ef29..752070636acc8407e09086aeb5eb725f3f459749 100644
>--- a/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.cpp
>+++ b/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.cpp
>@@ -120,7 +120,6 @@ void InspectorDOMDebuggerAgent::frameDocumentUpdated(Frame& frame)
> void InspectorDOMDebuggerAgent::discardBindings()
> {
>     m_domBreakpoints.clear();
>-    m_xhrBreakpoints.clear();
> }
> 
> void InspectorDOMDebuggerAgent::setEventBreakpoint(ErrorString& error, const String& breakpointTypeString, const String& eventName)
>@@ -408,39 +407,39 @@ void InspectorDOMDebuggerAgent::willFireAnimationFrame()
>     m_debuggerAgent->schedulePauseOnNextStatement(Inspector::DebuggerFrontendDispatcher::Reason::AnimationFrame, WTFMove(eventData));
> }
> 
>-void InspectorDOMDebuggerAgent::setXHRBreakpoint(ErrorString&, const String& url, const bool* optionalIsRegex)
>+void InspectorDOMDebuggerAgent::setURLBreakpoint(ErrorString&, const String& url, const bool* optionalIsRegex)
> {
>     if (url.isEmpty()) {
>-        m_pauseOnAllXHRsEnabled = true;
>+        m_pauseOnAllURLsEnabled = true;
>         return;
>     }
> 
>     bool isRegex = optionalIsRegex ? *optionalIsRegex : false;
>-    m_xhrBreakpoints.set(url, isRegex ? XHRBreakpointType::RegularExpression : XHRBreakpointType::Text);
>+    m_urlBreakpoints.set(url, isRegex ? URLBreakpointType::RegularExpression : URLBreakpointType::Text);
> }
> 
>-void InspectorDOMDebuggerAgent::removeXHRBreakpoint(ErrorString&, const String& url)
>+void InspectorDOMDebuggerAgent::removeURLBreakpoint(ErrorString&, const String& url)
> {
>     if (url.isEmpty()) {
>-        m_pauseOnAllXHRsEnabled = false;
>+        m_pauseOnAllURLsEnabled = false;
>         return;
>     }
> 
>-    m_xhrBreakpoints.remove(url);
>+    m_urlBreakpoints.remove(url);
> }
> 
>-void InspectorDOMDebuggerAgent::willSendXMLHttpRequest(const String& url)
>+void InspectorDOMDebuggerAgent::breakOnURLIfNeeded(const String& url, URLBreakpointSource source)
> {
>     if (!m_debuggerAgent->breakpointsActive())
>         return;
> 
>     String breakpointURL;
>-    if (m_pauseOnAllXHRsEnabled)
>+    if (m_pauseOnAllURLsEnabled)
>         breakpointURL = emptyString();
>     else {
>-        for (auto& entry : m_xhrBreakpoints) {
>+        for (auto& entry : m_urlBreakpoints) {
>             const auto& query = entry.key;
>-            bool isRegex = entry.value == XHRBreakpointType::RegularExpression;
>+            bool isRegex = entry.value == URLBreakpointType::RegularExpression;
>             auto regex = ContentSearchUtilities::createSearchRegex(query, false, isRegex);
>             if (regex.match(url) != -1) {
>                 breakpointURL = query;
>@@ -452,10 +451,36 @@ void InspectorDOMDebuggerAgent::willSendXMLHttpRequest(const String& url)
>     if (breakpointURL.isNull())
>         return;
> 
>+    Inspector::DebuggerFrontendDispatcher::Reason breakReason;
>+    switch (source) {
>+    case URLBreakpointSource::Fetch:
>+        breakReason = Inspector::DebuggerFrontendDispatcher::Reason::Fetch;
>+        break;
>+
>+    case URLBreakpointSource::XHR:
>+        breakReason = Inspector::DebuggerFrontendDispatcher::Reason::XHR;
>+        break;
>+
>+    default:
>+        ASSERT_NOT_REACHED();
>+        breakReason = Inspector::DebuggerFrontendDispatcher::Reason::Other;
>+        break;
>+    }
>+
>     Ref<JSON::Object> eventData = JSON::Object::create();
>     eventData->setString("breakpointURL", breakpointURL);
>     eventData->setString("url", url);
>-    m_debuggerAgent->breakProgram(Inspector::DebuggerFrontendDispatcher::Reason::XHR, WTFMove(eventData));
>+    m_debuggerAgent->breakProgram(breakReason, WTFMove(eventData));
>+}
>+
>+void InspectorDOMDebuggerAgent::willSendXMLHttpRequest(const String& url)
>+{
>+    breakOnURLIfNeeded(url, URLBreakpointSource::XHR);
>+}
>+
>+void InspectorDOMDebuggerAgent::willFetch(const String& url)
>+{
>+    breakOnURLIfNeeded(url, URLBreakpointSource::Fetch);
> }
> 
> } // namespace WebCore
>diff --git a/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.h b/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.h
>index e3a4e1b1c34885ab3db0c81bfcd864138a6de8e7..459cb36943c4240b9f7d48ac340c8e471143debb 100644
>--- a/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.h
>+++ b/Source/WebCore/inspector/agents/InspectorDOMDebuggerAgent.h
>@@ -57,8 +57,8 @@ public:
>     virtual ~InspectorDOMDebuggerAgent();
> 
>     // DOMDebugger API
>-    void setXHRBreakpoint(ErrorString&, const String& url, const bool* optionalIsRegex) final;
>-    void removeXHRBreakpoint(ErrorString&, const String& url) final;
>+    void setURLBreakpoint(ErrorString&, const String& url, const bool* optionalIsRegex) final;
>+    void removeURLBreakpoint(ErrorString&, const String& url) final;
>     void setEventBreakpoint(ErrorString&, const String& breakpointType, const String& eventName) final;
>     void removeEventBreakpoint(ErrorString&, const String& breakpointType, const String& eventName) final;
>     void setDOMBreakpoint(ErrorString&, int nodeId, const String& type) final;
>@@ -72,6 +72,7 @@ public:
>     void didRemoveDOMNode(Node&);
>     void willModifyDOMAttr(Element&);
>     void willSendXMLHttpRequest(const String& url);
>+    void willFetch(const String& url);
>     void frameDocumentUpdated(Frame&);
>     void willHandleEvent(const Event&, const RegisteredEventListener&);
>     void willFireTimer(bool oneShot);
>@@ -88,6 +89,9 @@ private:
>     void debuggerWasDisabled() final;
>     void disable();
> 
>+    enum class URLBreakpointSource { Fetch, XHR };
>+    void breakOnURLIfNeeded(const String& url, URLBreakpointSource);
>+
>     void descriptionForDOMEvent(Node& target, int breakpointType, bool insertion, JSON::Object& description);
>     void updateSubtreeBreakpoints(Node*, uint32_t rootMask, bool set);
>     bool hasBreakpoint(Node*, int type);
>@@ -105,10 +109,9 @@ private:
>         WTF::PairHashTraits<WTF::StrongEnumHashTraits<EventBreakpointType>, WTF::HashTraits<String>>
>     > m_eventBreakpoints;
> 
>-    enum class XHRBreakpointType { Text, RegularExpression };
>-
>-    HashMap<String, XHRBreakpointType> m_xhrBreakpoints;
>-    bool m_pauseOnAllXHRsEnabled { false };
>+    enum class URLBreakpointType { RegularExpression, Text };
>+    HashMap<String, URLBreakpointType> m_urlBreakpoints;
>+    bool m_pauseOnAllURLsEnabled { false };
> };
> 
> } // namespace WebCore
>diff --git a/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js b/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js
>index db4d51858742ebc8321edef91bc3b4855f64c8c0..3e77a6027354b259dc3d371dec8020ca369b399b 100644
>--- a/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js
>+++ b/Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js
>@@ -980,12 +980,14 @@ localizedStrings["Trace: %s"] = "Trace: %s";
> localizedStrings["Transfer Size"] = "Transfer Size";
> localizedStrings["Transferred"] = "Transferred";
> localizedStrings["Triggered Breakpoint"] = "Triggered Breakpoint";
>+localizedStrings["Triggered URL Breakpoint"] = "Triggered URL Breakpoint";
> localizedStrings["Triggered XHR Breakpoint"] = "Triggered XHR Breakpoint";
> localizedStrings["True"] = "True";
> localizedStrings["Type"] = "Type";
> localizedStrings["Type Issue"] = "Type Issue";
> localizedStrings["Type information for variable: %s"] = "Type information for variable: %s";
> localizedStrings["URL"] = "URL";
>+localizedStrings["URL Breakpoint\u2026"] = "URL Breakpoint\u2026";
> localizedStrings["Unable to determine path to property from root"] = "Unable to determine path to property from root";
> localizedStrings["Unable to parse as JSON: %s"] = "Unable to parse as JSON: %s";
> localizedStrings["Unable to show certificate for \u201C%s\u201C"] = "Unable to show certificate for \u201C%s\u201C";
>diff --git a/Source/WebInspectorUI/UserInterface/Base/Setting.js b/Source/WebInspectorUI/UserInterface/Base/Setting.js
>index 0f6db171e2b21bdd9c64ee912f93d6f9d339e7a2..a4c4407f52d65c74841963f72b2efc5109f4aca7 100644
>--- a/Source/WebInspectorUI/UserInterface/Base/Setting.js
>+++ b/Source/WebInspectorUI/UserInterface/Base/Setting.js
>@@ -43,6 +43,21 @@ WI.Setting = class Setting extends WI.Object
>         this._defaultValue = defaultValue;
>     }
> 
>+    // Static
>+
>+    static takeDeprecatedValue(key)
>+    {
>+        let value = undefined;
>+        if (!window.InspectorTest && window.localStorage && key in window.localStorage) {
>+            try {
>+                value = JSON.parse(window.localStorage[key]);
>+            } catch { }
>+
>+            delete window.localStorage[key];
>+        }
>+        return value;
>+    }
>+
>     // Public
> 
>     get name()
>diff --git a/Source/WebInspectorUI/UserInterface/Controllers/DOMDebuggerManager.js b/Source/WebInspectorUI/UserInterface/Controllers/DOMDebuggerManager.js
>index 777051b3193527dc0f1f2fc48ce39719f25b6084..ab1cd8c57a089798197a6cb108a9804d6912515e 100644
>--- a/Source/WebInspectorUI/UserInterface/Controllers/DOMDebuggerManager.js
>+++ b/Source/WebInspectorUI/UserInterface/Controllers/DOMDebuggerManager.js
>@@ -36,15 +36,15 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         this._eventBreakpointSetting = new WI.Setting("event-breakpoints", []);
>         this._eventBreakpoints = [];
> 
>-        this._xhrBreakpointsSetting = new WI.Setting("xhr-breakpoints", []);
>-        this._xhrBreakpoints = [];
>+        this._urlBreakpointsSetting = new WI.Setting("url-breakpoints", WI.Setting.takeDeprecatedValue("xhr-breakpoints") || []);
>+        this._urlBreakpoints = [];
>         this._allRequestsBreakpointEnabledSetting = new WI.Setting("break-on-all-requests", false);
> 
>-        this._allRequestsBreakpoint = new WI.XHRBreakpoint(null, null, !this._allRequestsBreakpointEnabledSetting.value);
>+        this._allRequestsBreakpoint = new WI.URLBreakpoint(null, null, !this._allRequestsBreakpointEnabledSetting.value);
> 
>         WI.DOMBreakpoint.addEventListener(WI.DOMBreakpoint.Event.DisabledStateDidChange, this._domBreakpointDisabledStateDidChange, this);
>         WI.EventBreakpoint.addEventListener(WI.EventBreakpoint.Event.DisabledStateDidChange, this._eventBreakpointDisabledStateDidChange, this);
>-        WI.XHRBreakpoint.addEventListener(WI.XHRBreakpoint.Event.DisabledStateDidChange, this._xhrBreakpointDisabledStateDidChange, this);
>+        WI.URLBreakpoint.addEventListener(WI.URLBreakpoint.Event.DisabledStateDidChange, this._urlBreakpointDisabledStateDidChange, this);
> 
>         WI.domManager.addEventListener(WI.DOMManager.Event.NodeRemoved, this._nodeRemoved, this);
>         WI.domManager.addEventListener(WI.DOMManager.Event.NodeInserted, this._nodeInserted, this);
>@@ -65,16 +65,16 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>             for (let payload of this._eventBreakpointSetting.value)
>                 this.addEventBreakpoint(WI.EventBreakpoint.fromPayload(payload));
> 
>-            for (let cookie of this._xhrBreakpointsSetting.value) {
>-                let breakpoint = new WI.XHRBreakpoint(cookie.type, cookie.url, cookie.disabled);
>-                this.addXHRBreakpoint(breakpoint);
>+            for (let cookie of this._urlBreakpointsSetting.value) {
>+                let breakpoint = new WI.URLBreakpoint(cookie.type, cookie.url, cookie.disabled);
>+                this.addURLBreakpoint(breakpoint);
>             }
> 
>             this._restoringBreakpoints = false;
>             this._speculativelyResolveBreakpoints();
> 
>             if (!this._allRequestsBreakpoint.disabled)
>-                this._updateXHRBreakpoint(this._allRequestsBreakpoint);
>+                this._updateURLBreakpoint(this._allRequestsBreakpoint);
>         }
>     }
> 
>@@ -85,6 +85,11 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         return DOMDebuggerAgent.setEventBreakpoint && DOMDebuggerAgent.removeEventBreakpoint;
>     }
> 
>+    static supportsURLBreakpoints()
>+    {
>+        return InspectorBackend.domains.DOMDebugger.setURLBreakpoint && InspectorBackend.domains.DOMDebugger.removeURLBreakpoint;
>+    }
>+
>     // Public
> 
>     get supported()
>@@ -118,7 +123,7 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
> 
>     get eventBreakpoints() { return this._eventBreakpoints; }
> 
>-    get xhrBreakpoints() { return this._xhrBreakpoints; }
>+    get urlBreakpoints() { return this._urlBreakpoints; }
> 
>     isBreakpointSpecial(breakpoint)
>     {
>@@ -276,64 +281,72 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         DOMDebuggerAgent.removeEventBreakpoint(breakpoint.type, breakpoint.eventName, breakpointRemoved);
>     }
> 
>-    xhrBreakpointForURL(url)
>+    urlBreakpointForURL(url)
>     {
>-        return this._xhrBreakpoints.find((breakpoint) => breakpoint.url === url) || null;
>+        return this._urlBreakpoints.find((breakpoint) => breakpoint.url === url) || null;
>     }
> 
>-    addXHRBreakpoint(breakpoint)
>+    addURLBreakpoint(breakpoint)
>     {
>-        console.assert(breakpoint instanceof WI.XHRBreakpoint);
>+        console.assert(breakpoint instanceof WI.URLBreakpoint);
>         if (!breakpoint)
>             return;
> 
>         if (this.isBreakpointSpecial(breakpoint)) {
>-            this.dispatchEventToListeners(WI.DOMDebuggerManager.Event.XHRBreakpointAdded, {breakpoint});
>+            this.dispatchEventToListeners(WI.DOMDebuggerManager.Event.URLBreakpointAdded, {breakpoint});
>             return;
>         }
> 
>-        console.assert(!this._xhrBreakpoints.includes(breakpoint), "Already added XHR breakpoint.", breakpoint);
>-        if (this._xhrBreakpoints.includes(breakpoint))
>+        console.assert(!this._urlBreakpoints.includes(breakpoint), "Already added URL breakpoint.", breakpoint);
>+        if (this._urlBreakpoints.includes(breakpoint))
>             return;
> 
>-        if (this._xhrBreakpoints.some((entry) => entry.type === breakpoint.type && entry.url === breakpoint.url))
>+        if (this._urlBreakpoints.some((entry) => entry.type === breakpoint.type && entry.url === breakpoint.url))
>             return;
> 
>-        this._xhrBreakpoints.push(breakpoint);
>+        this._urlBreakpoints.push(breakpoint);
> 
>-        this.dispatchEventToListeners(WI.DOMDebuggerManager.Event.XHRBreakpointAdded, {breakpoint});
>+        this.dispatchEventToListeners(WI.DOMDebuggerManager.Event.URLBreakpointAdded, {breakpoint});
> 
>-        this._resolveXHRBreakpoint(breakpoint);
>-        this._saveXHRBreakpoints();
>+        this._resolveURLBreakpoint(breakpoint);
>+        this._saveURLBreakpoints();
>     }
> 
>-    removeXHRBreakpoint(breakpoint)
>+    removeURLBreakpoint(breakpoint)
>     {
>-        console.assert(breakpoint instanceof WI.XHRBreakpoint);
>+        console.assert(breakpoint instanceof WI.URLBreakpoint);
>         if (!breakpoint)
>             return;
> 
>         if (this.isBreakpointSpecial(breakpoint)) {
>             breakpoint.disabled = true;
>-            this.dispatchEventToListeners(WI.DOMDebuggerManager.Event.XHRBreakpointRemoved, {breakpoint});
>+            this.dispatchEventToListeners(WI.DOMDebuggerManager.Event.URLBreakpointRemoved, {breakpoint});
>             return;
>         }
> 
>-        if (!this._xhrBreakpoints.includes(breakpoint))
>+        if (!this._urlBreakpoints.includes(breakpoint))
>             return;
> 
>-        this._xhrBreakpoints.remove(breakpoint, true);
>+        this._urlBreakpoints.remove(breakpoint, true);
> 
>-        this._saveXHRBreakpoints();
>-        this.dispatchEventToListeners(WI.DOMDebuggerManager.Event.XHRBreakpointRemoved, {breakpoint});
>+        this._saveURLBreakpoints();
>+        this.dispatchEventToListeners(WI.DOMDebuggerManager.Event.URLBreakpointRemoved, {breakpoint});
> 
>         if (breakpoint.disabled)
>             return;
> 
>-        DOMDebuggerAgent.removeXHRBreakpoint(breakpoint.url, (error) => {
>-            if (error)
>-                console.error(error);
>-        });
>+        // Compatibility (iOS 12.1): DOMDebuggerAgent.removeURLBreakpoint did not exist.
>+        if (WI.DOMDebuggerManager.supportsURLBreakpoints()) {
>+            DOMDebuggerAgent.removeURLBreakpoint(breakpoint.url, (error) => {
>+                if (error)
>+                    console.error(error);
>+            });
>+        } else {
>+            DOMDebuggerAgent.removeXHRBreakpoint(breakpoint.url, (error) => {
>+                if (error)
>+                    console.error(error);
>+            });
>+        }
>     }
> 
>     // Private
>@@ -406,8 +419,8 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         for (let breakpoint of this._eventBreakpoints)
>             this._resolveEventBreakpoint(breakpoint);
> 
>-        for (let breakpoint of this._xhrBreakpoints)
>-            this._resolveXHRBreakpoint(breakpoint);
>+        for (let breakpoint of this._urlBreakpoints)
>+            this._resolveURLBreakpoint(breakpoint);
>     }
> 
>     _resolveDOMBreakpoint(breakpoint, nodeIdentifier)
>@@ -480,7 +493,7 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>             DOMDebuggerAgent.setEventBreakpoint(breakpoint.type, breakpoint.eventName, breakpointUpdated);
>     }
> 
>-    _updateXHRBreakpoint(breakpoint, callback)
>+    _updateURLBreakpoint(breakpoint, callback)
>     {
>         function breakpointUpdated(error)
>         {
>@@ -491,11 +504,23 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>                 callback(error);
>         }
> 
>+        // Compatibility (iOS 12.1): DOMDebuggerAgent.removeURLBreakpoint did not exist.
>+        if (!WI.DOMDebuggerManager.supportsURLBreakpoints()) {
>+            if (breakpoint.disabled)
>+                DOMDebuggerAgent.removeXHRBreakpoint(breakpoint.url, breakpointUpdated);
>+            else {
>+                let isRegex = breakpoint.type === WI.URLBreakpoint.Type.RegularExpression;
>+                DebuggerAgent.setXHRBreakpoint(breakpoint.url, isRegex, breakpointUpdated);
>+            }
>+            return;
>+        }
>+
>+
>         if (breakpoint.disabled)
>-            DOMDebuggerAgent.removeXHRBreakpoint(breakpoint.url, breakpointUpdated);
>+            DOMDebuggerAgent.removeURLBreakpoint(breakpoint.url, breakpointUpdated);
>         else {
>-            let isRegex = breakpoint.type === WI.XHRBreakpoint.Type.RegularExpression;
>-            DOMDebuggerAgent.setXHRBreakpoint(breakpoint.url, isRegex, breakpointUpdated);
>+            let isRegex = breakpoint.type === WI.URLBreakpoint.Type.RegularExpression;
>+            DOMDebuggerAgent.setURLBreakpoint(breakpoint.url, isRegex, breakpointUpdated);
>         }
>     }
> 
>@@ -509,13 +534,13 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         });
>     }
> 
>-    _resolveXHRBreakpoint(breakpoint)
>+    _resolveURLBreakpoint(breakpoint)
>     {
>         if (breakpoint.disabled)
>             return;
> 
>-        this._updateXHRBreakpoint(breakpoint, () => {
>-            breakpoint.dispatchEventToListeners(WI.XHRBreakpoint.Event.ResolvedStateDidChange);
>+        this._updateURLBreakpoint(breakpoint, () => {
>+            breakpoint.dispatchEventToListeners(WI.URLBreakpoint.Event.ResolvedStateDidChange);
>         });
>     }
> 
>@@ -539,12 +564,12 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         this._eventBreakpointSetting.value = this._eventBreakpoints.map((breakpoint) => breakpoint.serializableInfo);
>     }
> 
>-    _saveXHRBreakpoints()
>+    _saveURLBreakpoints()
>     {
>         if (this._restoringBreakpoints)
>             return;
> 
>-        this._xhrBreakpointsSetting.value = this._xhrBreakpoints.map((breakpoint) => breakpoint.serializableInfo);
>+        this._urlBreakpointsSetting.value = this._urlBreakpoints.map((breakpoint) => breakpoint.serializableInfo);
>     }
> 
>     _domBreakpointDisabledStateDidChange(event)
>@@ -561,15 +586,15 @@ WI.DOMDebuggerManager = class DOMDebuggerManager extends WI.Object
>         this._saveEventBreakpoints();
>     }
> 
>-    _xhrBreakpointDisabledStateDidChange(event)
>+    _urlBreakpointDisabledStateDidChange(event)
>     {
>         let breakpoint = event.target;
> 
>         if (breakpoint === this._allRequestsBreakpoint)
>             this._allRequestsBreakpointEnabledSetting.value = !breakpoint.disabled;
> 
>-        this._updateXHRBreakpoint(breakpoint);
>-        this._saveXHRBreakpoints();
>+        this._updateURLBreakpoint(breakpoint);
>+        this._saveURLBreakpoints();
>     }
> 
>     _childFrameWasRemoved(event)
>@@ -648,6 +673,6 @@ WI.DOMDebuggerManager.Event = {
>     DOMBreakpointRemoved: "dom-debugger-manager-dom-breakpoint-removed",
>     EventBreakpointAdded: "dom-debugger-manager-event-breakpoint-added",
>     EventBreakpointRemoved: "dom-debugger-manager-event-breakpoint-removed",
>-    XHRBreakpointAdded: "dom-debugger-manager-xhr-breakpoint-added",
>-    XHRBreakpointRemoved: "dom-debugger-manager-xhr-breakpoint-removed",
>+    URLBreakpointAdded: "dom-debugger-manager-url-breakpoint-added",
>+    URLBreakpointRemoved: "dom-debugger-manager-url-breakpoint-removed",
> };
>diff --git a/Source/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js b/Source/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>index 8562816b1d9718883dac32d85b492132f1c18a68..93ffed7904a0f1044d603ef6cd4937aefd937d9e 100644
>--- a/Source/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>+++ b/Source/WebInspectorUI/UserInterface/Controllers/DebuggerManager.js
>@@ -858,6 +858,8 @@ WI.DebuggerManager = class DebuggerManager extends WI.Object
>             return WI.DebuggerManager.PauseReason.EventListener;
>         case DebuggerAgent.PausedReason.Exception:
>             return WI.DebuggerManager.PauseReason.Exception;
>+        case DebuggerAgent.PausedReason.Fetch:
>+            return WI.DebuggerManager.PauseReason.Fetch;
>         case DebuggerAgent.PausedReason.PauseOnNextStatement:
>             return WI.DebuggerManager.PauseReason.PauseOnNextStatement;
>         case DebuggerAgent.PausedReason.Timer:
>@@ -1389,6 +1391,7 @@ WI.DebuggerManager.PauseReason = {
>     DOM: "DOM",
>     EventListener: "event-listener",
>     Exception: "exception",
>+    Fetch: "fetch",
>     PauseOnNextStatement: "pause-on-next-statement",
>     Timer: "timer",
>     XHR: "xhr",
>diff --git a/Source/WebInspectorUI/UserInterface/Main.html b/Source/WebInspectorUI/UserInterface/Main.html
>index b1a2fc7e1358e06236feeed99bf0d1f3f8fb36d5..c55125bc184bec1cb9f3464aaaedbfbbdb3fab84 100644
>--- a/Source/WebInspectorUI/UserInterface/Main.html
>+++ b/Source/WebInspectorUI/UserInterface/Main.html
>@@ -224,10 +224,10 @@
>     <link rel="stylesheet" href="Views/TypeTokenView.css">
>     <link rel="stylesheet" href="Views/TypeTreeElement.css">
>     <link rel="stylesheet" href="Views/TypeTreeView.css">
>+    <link rel="stylesheet" href="Views/URLBreakpointPopover.css">
>+    <link rel="stylesheet" href="Views/URLBreakpointTreeElement.css">
>     <link rel="stylesheet" href="Views/Variables.css">
>     <link rel="stylesheet" href="Views/WebSocketContentView.css">
>-    <link rel="stylesheet" href="Views/XHRBreakpointPopover.css">
>-    <link rel="stylesheet" href="Views/XHRBreakpointTreeElement.css">
> 
>     <link rel="stylesheet" href="Controllers/CodeMirrorCompletionController.css">
>     <link rel="stylesheet" href="Controllers/CodeMirrorDragToAdjustNumberController.css">
>@@ -453,9 +453,9 @@
>     <script src="Models/TimelineRecording.js"></script>
>     <script src="Models/TypeDescription.js"></script>
>     <script src="Models/TypeSet.js"></script>
>+    <script src="Models/URLBreakpoint.js"></script>
>     <script src="Models/WebSocketResource.js"></script>
>     <script src="Models/WrappedPromise.js"></script>
>-    <script src="Models/XHRBreakpoint.js"></script>
> 
>     <script src="Models/AuditTestBase.js"></script>
>     <script src="Models/AuditTestCase.js"></script>
>@@ -807,12 +807,12 @@
>     <script src="Views/TypeTokenView.js"></script>
>     <script src="Views/TypeTreeElement.js"></script>
>     <script src="Views/TypeTreeView.js"></script>
>+    <script src="Views/URLBreakpointPopover.js"></script>
>+    <script src="Views/URLBreakpointTreeElement.js"></script>
>     <script src="Views/WebSocketContentView.js"></script>
>     <script src="Views/WebSocketDataGridNode.js"></script>
>     <script src="Views/WebSocketResourceTreeElement.js"></script>
>     <script src="Views/WorkerTreeElement.js"></script>
>-    <script src="Views/XHRBreakpointPopover.js"></script>
>-    <script src="Views/XHRBreakpointTreeElement.js"></script>
> 
>     <script src="Controllers/Annotator.js"></script>
>     <script src="Controllers/CodeMirrorEditingController.js"></script>
>diff --git a/Source/WebInspectorUI/UserInterface/Models/URLBreakpoint.js b/Source/WebInspectorUI/UserInterface/Models/URLBreakpoint.js
>new file mode 100644
>index 0000000000000000000000000000000000000000..ed433d48ce496d0fc482d9b543618aaf97b8faf9
>--- /dev/null
>+++ b/Source/WebInspectorUI/UserInterface/Models/URLBreakpoint.js
>@@ -0,0 +1,80 @@
>+/*
>+ * Copyright (C) 2017 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+WI.URLBreakpoint = class URLBreakpoint extends WI.Object
>+{
>+    constructor(type, url, disabled)
>+    {
>+        super();
>+
>+        this._type = type || WI.URLBreakpoint.Type.Text;
>+        this._url = url || "";
>+        this._disabled = disabled || false;
>+    }
>+
>+    // Public
>+
>+    get type() { return this._type; }
>+    get url() { return this._url; }
>+
>+    get disabled()
>+    {
>+        return this._disabled;
>+    }
>+
>+    set disabled(disabled)
>+    {
>+        if (this._disabled === disabled)
>+            return;
>+
>+        this._disabled = disabled;
>+
>+        this.dispatchEventToListeners(WI.URLBreakpoint.Event.DisabledStateDidChange);
>+    }
>+
>+    get serializableInfo()
>+    {
>+        let info = {type: this._type, url: this._url};
>+        if (this._disabled)
>+            info.disabled = true;
>+
>+        return info;
>+    }
>+
>+    saveIdentityToCookie(cookie)
>+    {
>+        cookie["url-breakpoint-url"] = this._url;
>+    }
>+};
>+
>+WI.URLBreakpoint.Event = {
>+    DisabledStateDidChange: "url-breakpoint-disabled-state-did-change",
>+    ResolvedStateDidChange: "url-breakpoint-resolved-state-did-change",
>+};
>+
>+WI.URLBreakpoint.Type = {
>+    Text: "text",
>+    RegularExpression: "regex",
>+};
>diff --git a/Source/WebInspectorUI/UserInterface/Models/XHRBreakpoint.js b/Source/WebInspectorUI/UserInterface/Models/XHRBreakpoint.js
>deleted file mode 100644
>index eb7ac4f02940ea4b2fd7a95d46a3aaca7790fb48..0000000000000000000000000000000000000000
>--- a/Source/WebInspectorUI/UserInterface/Models/XHRBreakpoint.js
>+++ /dev/null
>@@ -1,82 +0,0 @@
>-/*
>- * Copyright (C) 2017 Apple Inc. All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>- * THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-
>-WI.XHRBreakpoint = class XHRBreakpoint extends WI.Object
>-{
>-    constructor(type, url, disabled)
>-    {
>-        super();
>-
>-        this._type = type || WI.XHRBreakpoint.Type.Text;
>-        this._url = url || "";
>-        this._disabled = disabled || false;
>-    }
>-
>-    // Public
>-
>-    get type() { return this._type; }
>-    get url() { return this._url; }
>-
>-    get disabled()
>-    {
>-        return this._disabled;
>-    }
>-
>-    set disabled(disabled)
>-    {
>-        if (this._disabled === disabled)
>-            return;
>-
>-        this._disabled = disabled;
>-
>-        this.dispatchEventToListeners(WI.XHRBreakpoint.Event.DisabledStateDidChange);
>-    }
>-
>-    get serializableInfo()
>-    {
>-        let info = {type: this._type, url: this._url};
>-        if (this._disabled)
>-            info.disabled = true;
>-
>-        return info;
>-    }
>-
>-    saveIdentityToCookie(cookie)
>-    {
>-        cookie[WI.XHRBreakpoint.URLCookieKey] = this._url;
>-    }
>-};
>-
>-WI.XHRBreakpoint.URLCookieKey = "xhr-breakpoint-url";
>-
>-WI.XHRBreakpoint.Event = {
>-    DisabledStateDidChange: "xhr-breakpoint-disabled-state-did-change",
>-    ResolvedStateDidChange: "xhr-breakpoint-resolved-state-did-change",
>-};
>-
>-WI.XHRBreakpoint.Type = {
>-    Text: "text",
>-    RegularExpression: "regex",
>-};
>diff --git a/Source/WebInspectorUI/UserInterface/Test.html b/Source/WebInspectorUI/UserInterface/Test.html
>index ef8326aadade0bfa190d1b7d31e4d122a4329824..ee4282b671300a4d6acfabee2439192e8309eba2 100644
>--- a/Source/WebInspectorUI/UserInterface/Test.html
>+++ b/Source/WebInspectorUI/UserInterface/Test.html
>@@ -204,9 +204,9 @@
>     <script src="Models/TextRange.js"></script>
>     <script src="Models/TimelineMarker.js"></script>
>     <script src="Models/TimelineRecording.js"></script>
>+    <script src="Models/URLBreakpoint.js"></script>
>     <script src="Models/WebSocketResource.js"></script>
>     <script src="Models/WrappedPromise.js"></script>
>-    <script src="Models/XHRBreakpoint.js"></script>
> 
>     <script src="Models/AuditTestBase.js"></script>
>     <script src="Models/AuditTestCase.js"></script>
>diff --git a/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js b/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js
>index e7b3db92dd2b839406c7870a7531580caede3a17..098cff956aa27cc24a571f670e27913982e55a17 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/DebuggerSidebarPanel.js
>@@ -36,12 +36,12 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
>         WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.BreakpointAdded, this._breakpointAdded, this);
>         WI.domDebuggerManager.addEventListener(WI.DOMDebuggerManager.Event.DOMBreakpointAdded, this._breakpointAdded, this);
>         WI.domDebuggerManager.addEventListener(WI.DOMDebuggerManager.Event.EventBreakpointAdded, this._breakpointAdded, this);
>-        WI.domDebuggerManager.addEventListener(WI.DOMDebuggerManager.Event.XHRBreakpointAdded, this._breakpointAdded, this);
>+        WI.domDebuggerManager.addEventListener(WI.DOMDebuggerManager.Event.URLBreakpointAdded, this._breakpointAdded, this);
> 
>         WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.BreakpointRemoved, this._breakpointRemoved, this);
>         WI.domDebuggerManager.addEventListener(WI.DOMDebuggerManager.Event.DOMBreakpointRemoved, this._breakpointRemoved, this);
>         WI.domDebuggerManager.addEventListener(WI.DOMDebuggerManager.Event.EventBreakpointRemoved, this._breakpointRemoved, this);
>-        WI.domDebuggerManager.addEventListener(WI.DOMDebuggerManager.Event.XHRBreakpointRemoved, this._breakpointRemoved, this);
>+        WI.domDebuggerManager.addEventListener(WI.DOMDebuggerManager.Event.URLBreakpointRemoved, this._breakpointRemoved, this);
> 
>         WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.BreakpointsEnabledDidChange, this._breakpointsEnabledDidChange, this);
>         WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.ScriptAdded, this._scriptAdded, this);
>@@ -233,7 +233,7 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
> 
>         if (WI.domDebuggerManager.supported) {
>             if (WI.settings.showAllRequestsBreakpoint.value)
>-                WI.domDebuggerManager.addXHRBreakpoint(WI.domDebuggerManager.allRequestsBreakpoint);
>+                WI.domDebuggerManager.addURLBreakpoint(WI.domDebuggerManager.allRequestsBreakpoint);
> 
>             for (let eventBreakpoint of WI.domDebuggerManager.eventBreakpoints)
>                 this._addBreakpoint(eventBreakpoint);
>@@ -244,8 +244,8 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
>             for (let eventListenerBreakpoint of WI.domManager.eventListenerBreakpoints)
>                 this._addBreakpoint(eventListenerBreakpoint);
> 
>-            for (let xhrBreakpoints of WI.domDebuggerManager.xhrBreakpoints)
>-                this._addBreakpoint(xhrBreakpoints);
>+            for (let urlBreakpoints of WI.domDebuggerManager.urlBreakpoints)
>+                this._addBreakpoint(urlBreakpoints);
>         }
> 
>         if (WI.debuggerManager.paused)
>@@ -402,8 +402,8 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
> 
>         if (breakpoint instanceof WI.EventBreakpoint)
>             WI.domDebuggerManager.addEventBreakpoint(breakpoint);
>-        else if (breakpoint instanceof WI.XHRBreakpoint)
>-            WI.domDebuggerManager.addXHRBreakpoint(breakpoint);
>+        else if (breakpoint instanceof WI.URLBreakpoint)
>+            WI.domDebuggerManager.addURLBreakpoint(breakpoint);
>     }
> 
>     // Private
>@@ -492,8 +492,8 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
> 
>             if (breakpoint.eventListener)
>                 parentTreeElement = getDOMNodeTreeElement(breakpoint.eventListener.node);
>-        } else if (breakpoint instanceof WI.XHRBreakpoint) {
>-            constructor = WI.XHRBreakpointTreeElement;
>+        } else if (breakpoint instanceof WI.URLBreakpoint) {
>+            constructor = WI.URLBreakpointTreeElement;
> 
>             if (breakpoint === WI.domDebuggerManager.allRequestsBreakpoint) {
>                 options.className = WI.DebuggerSidebarPanel.AssertionIconStyleClassName;
>@@ -948,7 +948,7 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
>         if (treeElement instanceof WI.DOMNodeTreeElement
>             || treeElement instanceof WI.DOMBreakpointTreeElement
>             || treeElement instanceof WI.EventBreakpointTreeElement
>-            || treeElement instanceof WI.XHRBreakpointTreeElement)
>+            || treeElement instanceof WI.URLBreakpointTreeElement)
>             return;
> 
>         const options = {
>@@ -1011,7 +1011,7 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
>                 (treeElement) => treeElement instanceof WI.EventBreakpointTreeElement,
>                 (treeElement) => treeElement instanceof WI.DOMNodeTreeElement,
>                 (treeElement) => treeElement instanceof WI.DOMBreakpointTreeElement,
>-                (treeElement) => treeElement instanceof WI.XHRBreakpointTreeElement,
>+                (treeElement) => treeElement instanceof WI.URLBreakpointTreeElement,
>             ];
> 
>             let aRank = rankFunctions.findIndex((rankFunction) => rankFunction(a));
>@@ -1279,26 +1279,27 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
>             this._pauseReasonGroup.rows = [eventBreakpointRow];
>             return true;
> 
>+        case WI.DebuggerManager.PauseReason.Fetch:
>         case WI.DebuggerManager.PauseReason.XHR:
>             console.assert(WI.domDebuggerManager.supported);
>-            console.assert(pauseData, "Expected XHR breakpoint data, but found none.");
>+            console.assert(pauseData, "Expected URL breakpoint data, but found none.");
>             if (pauseData) {
>                 if (pauseData.breakpointURL) {
>-                    let xhrBreakpoint = WI.domDebuggerManager.xhrBreakpointForURL(pauseData.breakpointURL);
>-                    console.assert(xhrBreakpoint, "Expected XHR breakpoint for URL.", pauseData.breakpointURL);
>+                    let urlBreakpoint = WI.domDebuggerManager.urlBreakpointForURL(pauseData.breakpointURL);
>+                    console.assert(urlBreakpoint, "Expected URL breakpoint for URL.", pauseData.breakpointURL);
> 
>                     this._pauseReasonTreeOutline = this.createContentTreeOutline(true);
> 
>-                    let xhrBreakpointTreeElement = new WI.XHRBreakpointTreeElement(xhrBreakpoint, {
>+                    let urlBreakpointTreeElement = new WI.URLBreakpointTreeElement(urlBreakpoint, {
>                         className: WI.DebuggerSidebarPanel.PausedBreakpointIconStyleClassName,
>-                        title: WI.UIString("Triggered XHR Breakpoint"),
>+                        title: WI.DOMDebuggerManager.supportsURLBreakpoints() ? WI.UIString("Triggered URL Breakpoint") : WI.UIString("Triggered XHR Breakpoint"),
>                     });
>-                    let xhrBreakpointRow = new WI.DetailsSectionRow;
>-                    this._pauseReasonTreeOutline.appendChild(xhrBreakpointTreeElement);
>-                    xhrBreakpointRow.element.appendChild(this._pauseReasonTreeOutline.element);
>+                    let urlBreakpointRow = new WI.DetailsSectionRow;
>+                    this._pauseReasonTreeOutline.appendChild(urlBreakpointTreeElement);
>+                    urlBreakpointRow.element.appendChild(this._pauseReasonTreeOutline.element);
> 
>                     this._pauseReasonTextRow.text = pauseData.url;
>-                    this._pauseReasonGroup.rows = [xhrBreakpointRow, this._pauseReasonTextRow];
>+                    this._pauseReasonGroup.rows = [urlBreakpointRow, this._pauseReasonTextRow];
>                 } else {
>                     console.assert(pauseData.breakpointURL === "", "Should be the All Requests breakpoint which has an empty URL");
>                     this._pauseReasonTextRow.text = WI.UIString("Requesting: %s").format(pauseData.url);
>@@ -1448,15 +1449,15 @@ WI.DebuggerSidebarPanel = class DebuggerSidebarPanel extends WI.NavigationSideba
> 
>             contextMenu.appendCheckboxItem(WI.UIString("All Requests"), () => {
>                 if (allRequestsBreakpointShown)
>-                    WI.domDebuggerManager.removeXHRBreakpoint(WI.domDebuggerManager.allRequestsBreakpoint);
>+                    WI.domDebuggerManager.removeURLBreakpoint(WI.domDebuggerManager.allRequestsBreakpoint);
>                 else {
>                     WI.domDebuggerManager.allRequestsBreakpoint.disabled = false;
>-                    WI.domDebuggerManager.addXHRBreakpoint(WI.domDebuggerManager.allRequestsBreakpoint);
>+                    WI.domDebuggerManager.addURLBreakpoint(WI.domDebuggerManager.allRequestsBreakpoint);
>                 }
>             }, allRequestsBreakpointShown);
> 
>-            contextMenu.appendItem(WI.UIString("XHR Breakpoint\u2026"), () => {
>-                let popover = new WI.XHRBreakpointPopover(this);
>+            contextMenu.appendItem(WI.DOMDebuggerManager.supportsURLBreakpoints() ? WI.UIString("URL Breakpoint\u2026") : WI.UIString("XHR Breakpoint\u2026"), () => {
>+                let popover = new WI.URLBreakpointPopover(this);
>                 popover.show(event.target.element, [WI.RectEdge.MAX_Y, WI.RectEdge.MIN_Y, WI.RectEdge.MAX_X]);
>             });
>         }
>diff --git a/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js b/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js
>index 477480bfc5cc48a97d48879cdf778da571394aae..c53df4ae3a637b445c7ba1c6003094f379f3204c 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/NavigationSidebarPanel.js
>@@ -646,7 +646,7 @@ WI.NavigationSidebarPanel = class NavigationSidebarPanel extends WI.SidebarPanel
>             || treeElement instanceof WI.IdleTreeElement
>             || treeElement instanceof WI.DOMBreakpointTreeElement
>             || treeElement instanceof WI.EventBreakpointTreeElement
>-            || treeElement instanceof WI.XHRBreakpointTreeElement
>+            || treeElement instanceof WI.URLBreakpointTreeElement
>             || treeElement instanceof WI.CSSStyleSheetTreeElement
>             || typeof treeElement.representedObject === "string"
>             || treeElement.representedObject instanceof String;
>diff --git a/Source/WebInspectorUI/UserInterface/Views/URLBreakpointPopover.css b/Source/WebInspectorUI/UserInterface/Views/URLBreakpointPopover.css
>new file mode 100644
>index 0000000000000000000000000000000000000000..a51220cf08fb74640ecd083d3d7087decd876ff6
>--- /dev/null
>+++ b/Source/WebInspectorUI/UserInterface/Views/URLBreakpointPopover.css
>@@ -0,0 +1,70 @@
>+/*
>+ * Copyright (C) 2017 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+.popover .url-breakpoint-content {
>+    padding: 5px;
>+    margin: 2px;
>+}
>+
>+.popover .url-breakpoint-content > .editor-wrapper {
>+    margin-top: 4px;
>+    display: flex;
>+    flex-direction: row;
>+}
>+
>+.popover .url-breakpoint-content > .editor-wrapper > .editor {
>+    width: 180px;
>+    padding: 4px 0 2px 0;
>+    -webkit-appearance: textfield;
>+    border: 1px solid hsl(0, 0%, 78%);
>+    background: var(--background-color-code);
>+
>+    --editor-margin-start: 4px;
>+}
>+
>+body[dir=ltr] .popover .url-breakpoint-content > .editor-wrapper > .editor {
>+    margin-left: var(--editor-margin-start);
>+}
>+
>+body[dir=rtl] .popover .url-breakpoint-content > .editor-wrapper > .editor {
>+    margin-right: var(--editor-margin-start);
>+}
>+
>+.popover .url-breakpoint-content > .editor-wrapper > .editor > .CodeMirror {
>+    width: calc(100% - 2px);
>+    height: auto;
>+}
>+
>+.popover .url-breakpoint-content > .editor-wrapper > .editor > .CodeMirror-scroll {
>+    width: calc(100% - 2px);
>+    overflow: hidden;
>+}
>+
>+@media (prefers-dark-interface) {
>+    .popover .url-breakpoint-content > .editor-wrapper > .editor {
>+        -webkit-appearance: unset;
>+        border-color: var(--text-color-quaternary);
>+    }
>+}
>diff --git a/Source/WebInspectorUI/UserInterface/Views/URLBreakpointPopover.js b/Source/WebInspectorUI/UserInterface/Views/URLBreakpointPopover.js
>new file mode 100644
>index 0000000000000000000000000000000000000000..9a2143ed1824e17ab690a09c8bbda10d03ed9a9b
>--- /dev/null
>+++ b/Source/WebInspectorUI/UserInterface/Views/URLBreakpointPopover.js
>@@ -0,0 +1,154 @@
>+/*
>+ * Copyright (C) 2017 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+WI.URLBreakpointPopover = class URLBreakpointPopover extends WI.Popover
>+{
>+    constructor(delegate)
>+    {
>+        super(delegate);
>+
>+        this._breakpoint = null;
>+
>+        this._codeMirror = null;
>+        this._targetElement = null;
>+        this._preferredEdges = null;
>+
>+        this.windowResizeHandler = this._presentOverTargetElement.bind(this);
>+    }
>+
>+    // Public
>+
>+    get breakpoint() { return this._breakpoint; }
>+
>+    show(targetElement, preferredEdges)
>+    {
>+        this._targetElement = targetElement;
>+        this._preferredEdges = preferredEdges;
>+
>+        let contentElement = document.createElement("div");
>+        contentElement.classList.add("url-breakpoint-content");
>+
>+        let label = document.createElement("div");
>+        label.classList.add("label");
>+        label.textContent = WI.UIString("Break on request with URL:");
>+
>+        let editorWrapper = document.createElement("div");
>+        editorWrapper.classList.add("editor-wrapper");
>+
>+        this._typeSelectElement = document.createElement("select");
>+
>+        let createOption = (text, value) => {
>+            let optionElement = this._typeSelectElement.appendChild(document.createElement("option"));
>+            optionElement.textContent = text;
>+            optionElement.value = value;
>+        };
>+
>+        createOption(WI.UIString("Containing"), WI.URLBreakpoint.Type.Text);
>+        createOption(WI.UIString("Matching"), WI.URLBreakpoint.Type.RegularExpression);
>+
>+        this._typeSelectElement.value = WI.URLBreakpoint.Type.Text;
>+        this._typeSelectElement.addEventListener("change", (event) => {
>+            this._updateEditor();
>+            this._codeMirror.focus();
>+        });
>+
>+        editorWrapper.append(this._typeSelectElement, this._createEditor());
>+        contentElement.append(label, editorWrapper);
>+
>+        this.content = contentElement;
>+
>+        this._presentOverTargetElement();
>+    }
>+
>+    dismiss()
>+    {
>+        let type = this._typeSelectElement.value;
>+        let url = this._codeMirror.getValue();
>+        if (type && url)
>+            this._breakpoint = new WI.URLBreakpoint(type, url);
>+
>+        super.dismiss();
>+    }
>+
>+    // Private
>+
>+    _createEditor()
>+    {
>+        let editorElement = document.createElement("div");
>+        editorElement.classList.add("editor");
>+
>+        this._codeMirror = WI.CodeMirrorEditor.create(editorElement, {
>+            lineWrapping: false,
>+            matchBrackets: false,
>+            scrollbarStyle: null,
>+            value: "",
>+        });
>+
>+        this._codeMirror.addKeyMap({
>+            "Enter": () => {
>+                this.dismiss();
>+            },
>+            "Esc": () => {
>+                this.dismiss();
>+            },
>+        });
>+
>+        this._updateEditor();
>+
>+        return editorElement;
>+    }
>+
>+    _updateEditor()
>+    {
>+        let placeholder;
>+        let mimeType;
>+        if (this._typeSelectElement.value === WI.URLBreakpoint.Type.Text) {
>+            placeholder = WI.UIString("Text");
>+            mimeType = "text/plain";
>+        } else {
>+            placeholder = WI.UIString("Regular Expression");
>+            mimeType = "text/x-regex";
>+        }
>+
>+        this._codeMirror.setOption("mode", mimeType);
>+        this._codeMirror.setOption("placeholder", placeholder);
>+    }
>+
>+    _presentOverTargetElement()
>+    {
>+        if (!this._targetElement)
>+            return;
>+
>+        let targetFrame = WI.Rect.rectFromClientRect(this._targetElement.getBoundingClientRect());
>+        this.present(targetFrame, this._preferredEdges);
>+
>+        // CodeMirror needs a refresh after the popover displays, to layout, otherwise it doesn't appear.
>+        setTimeout(() => {
>+            this._codeMirror.refresh();
>+            this._codeMirror.focus();
>+            this.update();
>+        }, 0);
>+    }
>+};
>diff --git a/Source/WebInspectorUI/UserInterface/Views/URLBreakpointTreeElement.css b/Source/WebInspectorUI/UserInterface/Views/URLBreakpointTreeElement.css
>new file mode 100644
>index 0000000000000000000000000000000000000000..145d9ae602eaedb7d0cd98f216228772ac60103f
>--- /dev/null
>+++ b/Source/WebInspectorUI/UserInterface/Views/URLBreakpointTreeElement.css
>@@ -0,0 +1,28 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+.breakpoint.url .subtitle {
>+    font-family: Menlo, monospace;
>+}
>diff --git a/Source/WebInspectorUI/UserInterface/Views/URLBreakpointTreeElement.js b/Source/WebInspectorUI/UserInterface/Views/URLBreakpointTreeElement.js
>new file mode 100644
>index 0000000000000000000000000000000000000000..6fcd43ca9709344fdea12ccec503592c95f8d72b
>--- /dev/null
>+++ b/Source/WebInspectorUI/UserInterface/Views/URLBreakpointTreeElement.js
>@@ -0,0 +1,148 @@
>+/*
>+ * Copyright (C) 2017 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+WI.URLBreakpointTreeElement = class URLBreakpointTreeElement extends WI.GeneralTreeElement
>+{
>+    constructor(breakpoint, {className, title} = {})
>+    {
>+        console.assert(breakpoint instanceof WI.URLBreakpoint);
>+
>+        if (!className)
>+            className = WI.BreakpointTreeElement.GenericLineIconStyleClassName;
>+
>+        let subtitle;
>+        if (!title) {
>+            title = WI.UIString("URL");
>+            if (breakpoint.type === WI.URLBreakpoint.Type.Text)
>+                subtitle = doubleQuotedString(breakpoint.url);
>+            else
>+                subtitle = "/" + breakpoint.url + "/";
>+        }
>+
>+        super(["breakpoint", "url", className], title, subtitle, breakpoint);
>+
>+        this.status = document.createElement("img");
>+        this.status.classList.add("status-image", "resolved");
>+
>+        this.tooltipHandledSeparately = true;
>+
>+        breakpoint.addEventListener(WI.URLBreakpoint.Event.DisabledStateDidChange, this._updateStatus, this);
>+
>+        this._updateStatus();
>+    }
>+
>+    // Protected
>+
>+    onattach()
>+    {
>+        super.onattach();
>+
>+        this._boundStatusImageElementClicked = this._statusImageElementClicked.bind(this);
>+        this._boundStatusImageElementFocused = this._statusImageElementFocused.bind(this);
>+        this._boundStatusImageElementMouseDown = this._statusImageElementMouseDown.bind(this);
>+
>+        this.status.addEventListener("click", this._boundStatusImageElementClicked);
>+        this.status.addEventListener("focus", this._boundStatusImageElementFocused);
>+        this.status.addEventListener("mousedown", this._boundStatusImageElementMouseDown);
>+    }
>+
>+    ondetach()
>+    {
>+        super.ondetach();
>+
>+        this.status.removeEventListener("click", this._boundStatusImageElementClicked);
>+        this.status.removeEventListener("focus", this._boundStatusImageElementFocused);
>+        this.status.removeEventListener("mousedown", this._boundStatusImageElementMouseDown);
>+
>+        this._boundStatusImageElementClicked = null;
>+        this._boundStatusImageElementFocused = null;
>+        this._boundStatusImageElementMouseDown = null;
>+    }
>+
>+    ondelete()
>+    {
>+        // We set this flag so that TreeOutlines that will remove this
>+        // BreakpointTreeElement will know whether it was deleted from
>+        // within the TreeOutline or from outside it (e.g. TextEditor).
>+        this.__deletedViaDeleteKeyboardShortcut = true;
>+
>+        WI.domDebuggerManager.removeURLBreakpoint(this.representedObject);
>+        return true;
>+    }
>+
>+    onenter()
>+    {
>+        this._toggleBreakpoint();
>+        return true;
>+    }
>+
>+    onspace()
>+    {
>+        this._toggleBreakpoint();
>+        return true;
>+    }
>+
>+    populateContextMenu(contextMenu, event)
>+    {
>+        let breakpoint = this.representedObject;
>+        let label = breakpoint.disabled ? WI.UIString("Enable Breakpoint") : WI.UIString("Disable Breakpoint");
>+        contextMenu.appendItem(label, this._toggleBreakpoint.bind(this));
>+
>+        contextMenu.appendSeparator();
>+
>+        contextMenu.appendItem(WI.UIString("Delete Breakpoint"), () => {
>+            WI.domDebuggerManager.removeURLBreakpoint(breakpoint);
>+        });
>+    }
>+
>+    // Private
>+
>+    _statusImageElementClicked(event)
>+    {
>+        this._toggleBreakpoint();
>+    }
>+
>+    _statusImageElementFocused(event)
>+    {
>+        // Prevent tree outline focus.
>+        event.stopPropagation();
>+    }
>+
>+    _statusImageElementMouseDown(event)
>+    {
>+        // Prevent tree element selection.
>+        event.stopPropagation();
>+    }
>+
>+    _toggleBreakpoint()
>+    {
>+        this.representedObject.disabled = !this.representedObject.disabled;
>+    }
>+
>+    _updateStatus()
>+    {
>+        this.status.classList.toggle("disabled", this.representedObject.disabled);
>+    }
>+};
>diff --git a/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointPopover.css b/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointPopover.css
>deleted file mode 100644
>index df0299d0df8f874717f51badac3e67b9f52d35f4..0000000000000000000000000000000000000000
>--- a/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointPopover.css
>+++ /dev/null
>@@ -1,70 +0,0 @@
>-/*
>- * Copyright (C) 2017 Apple Inc. All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>- * THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-
>-.popover .xhr-breakpoint-content {
>-    padding: 5px;
>-    margin: 2px;
>-}
>-
>-.popover .xhr-breakpoint-content > .editor-wrapper {
>-    margin-top: 4px;
>-    display: flex;
>-    flex-direction: row;
>-}
>-
>-.popover .xhr-breakpoint-content > .editor-wrapper > .editor {
>-    width: 180px;
>-    padding: 4px 0 2px 0;
>-    -webkit-appearance: textfield;
>-    border: 1px solid hsl(0, 0%, 78%);
>-    background: var(--background-color-code);
>-
>-    --editor-margin-start: 4px;
>-}
>-
>-body[dir=ltr] .popover .xhr-breakpoint-content > .editor-wrapper > .editor {
>-    margin-left: var(--editor-margin-start);
>-}
>-
>-body[dir=rtl] .popover .xhr-breakpoint-content > .editor-wrapper > .editor {
>-    margin-right: var(--editor-margin-start);
>-}
>-
>-.popover .xhr-breakpoint-content > .editor-wrapper > .editor > .CodeMirror {
>-    width: calc(100% - 2px);
>-    height: auto;
>-}
>-
>-.popover .xhr-breakpoint-content > .editor-wrapper > .editor > .CodeMirror-scroll {
>-    width: calc(100% - 2px);
>-    overflow: hidden;
>-}
>-
>-@media (prefers-dark-interface) {
>-    .popover .xhr-breakpoint-content > .editor-wrapper > .editor {
>-        -webkit-appearance: unset;
>-        border-color: var(--text-color-quaternary);
>-    }
>-}
>diff --git a/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointPopover.js b/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointPopover.js
>deleted file mode 100644
>index bbd0bc9ceac07ec10074a3fe49f1e7ba1353a1b1..0000000000000000000000000000000000000000
>--- a/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointPopover.js
>+++ /dev/null
>@@ -1,154 +0,0 @@
>-/*
>- * Copyright (C) 2017 Apple Inc. All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>- * THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-
>-WI.XHRBreakpointPopover = class XHRBreakpointPopover extends WI.Popover
>-{
>-    constructor(delegate)
>-    {
>-        super(delegate);
>-
>-        this._breakpoint = null;
>-
>-        this._codeMirror = null;
>-        this._targetElement = null;
>-        this._preferredEdges = null;
>-
>-        this.windowResizeHandler = this._presentOverTargetElement.bind(this);
>-    }
>-
>-    // Public
>-
>-    get breakpoint() { return this._breakpoint; }
>-
>-    show(targetElement, preferredEdges)
>-    {
>-        this._targetElement = targetElement;
>-        this._preferredEdges = preferredEdges;
>-
>-        let contentElement = document.createElement("div");
>-        contentElement.classList.add("xhr-breakpoint-content");
>-
>-        let label = document.createElement("div");
>-        label.classList.add("label");
>-        label.textContent = WI.UIString("Break on request with URL:");
>-
>-        let editorWrapper = document.createElement("div");
>-        editorWrapper.classList.add("editor-wrapper");
>-
>-        this._typeSelectElement = document.createElement("select");
>-
>-        let createOption = (text, value) => {
>-            let optionElement = this._typeSelectElement.appendChild(document.createElement("option"));
>-            optionElement.textContent = text;
>-            optionElement.value = value;
>-        };
>-
>-        createOption(WI.UIString("Containing"), WI.XHRBreakpoint.Type.Text);
>-        createOption(WI.UIString("Matching"), WI.XHRBreakpoint.Type.RegularExpression);
>-
>-        this._typeSelectElement.value = WI.XHRBreakpoint.Type.Text;
>-        this._typeSelectElement.addEventListener("change", (event) => {
>-            this._updateEditor();
>-            this._codeMirror.focus();
>-        });
>-
>-        editorWrapper.append(this._typeSelectElement, this._createEditor());
>-        contentElement.append(label, editorWrapper);
>-
>-        this.content = contentElement;
>-
>-        this._presentOverTargetElement();
>-    }
>-
>-    dismiss()
>-    {
>-        let type = this._typeSelectElement.value;
>-        let url = this._codeMirror.getValue();
>-        if (type && url)
>-            this._breakpoint = new WI.XHRBreakpoint(type, url);
>-
>-        super.dismiss();
>-    }
>-
>-    // Private
>-
>-    _createEditor()
>-    {
>-        let editorElement = document.createElement("div");
>-        editorElement.classList.add("editor");
>-
>-        this._codeMirror = WI.CodeMirrorEditor.create(editorElement, {
>-            lineWrapping: false,
>-            matchBrackets: false,
>-            scrollbarStyle: null,
>-            value: "",
>-        });
>-
>-        this._codeMirror.addKeyMap({
>-            "Enter": () => {
>-                this.dismiss();
>-            },
>-            "Esc": () => {
>-                this.dismiss();
>-            },
>-        });
>-
>-        this._updateEditor();
>-
>-        return editorElement;
>-    }
>-
>-    _updateEditor()
>-    {
>-        let placeholder;
>-        let mimeType;
>-        if (this._typeSelectElement.value === WI.XHRBreakpoint.Type.Text) {
>-            placeholder = WI.UIString("Text");
>-            mimeType = "text/plain";
>-        } else {
>-            placeholder = WI.UIString("Regular Expression");
>-            mimeType = "text/x-regex";
>-        }
>-
>-        this._codeMirror.setOption("mode", mimeType);
>-        this._codeMirror.setOption("placeholder", placeholder);
>-    }
>-
>-    _presentOverTargetElement()
>-    {
>-        if (!this._targetElement)
>-            return;
>-
>-        let targetFrame = WI.Rect.rectFromClientRect(this._targetElement.getBoundingClientRect());
>-        this.present(targetFrame, this._preferredEdges);
>-
>-        // CodeMirror needs a refresh after the popover displays, to layout, otherwise it doesn't appear.
>-        setTimeout(() => {
>-            this._codeMirror.refresh();
>-            this._codeMirror.focus();
>-            this.update();
>-        }, 0);
>-    }
>-};
>diff --git a/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointTreeElement.css b/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointTreeElement.css
>deleted file mode 100644
>index 6eba5f2f2c0184ba5c07f737df102a0c65c628d9..0000000000000000000000000000000000000000
>--- a/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointTreeElement.css
>+++ /dev/null
>@@ -1,28 +0,0 @@
>-/*
>- * Copyright (C) 2018 Apple Inc. All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>- * THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-
>-.breakpoint.xhr .subtitle {
>-    font-family: Menlo, monospace;
>-}
>diff --git a/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointTreeElement.js b/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointTreeElement.js
>deleted file mode 100644
>index 827423d5e337c15f05d44d6d40ba2efc4eff2a7b..0000000000000000000000000000000000000000
>--- a/Source/WebInspectorUI/UserInterface/Views/XHRBreakpointTreeElement.js
>+++ /dev/null
>@@ -1,148 +0,0 @@
>-/*
>- * Copyright (C) 2017 Apple Inc. All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>- * THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-
>-WI.XHRBreakpointTreeElement = class XHRBreakpointTreeElement extends WI.GeneralTreeElement
>-{
>-    constructor(breakpoint, {className, title} = {})
>-    {
>-        console.assert(breakpoint instanceof WI.XHRBreakpoint);
>-
>-        if (!className)
>-            className = WI.BreakpointTreeElement.GenericLineIconStyleClassName;
>-
>-        let subtitle;
>-        if (!title) {
>-            title = WI.UIString("URL");
>-            if (breakpoint.type === WI.XHRBreakpoint.Type.Text)
>-                subtitle = doubleQuotedString(breakpoint.url);
>-            else
>-                subtitle = "/" + breakpoint.url + "/";
>-        }
>-
>-        super(["breakpoint", "xhr", className], title, subtitle, breakpoint);
>-
>-        this.status = document.createElement("img");
>-        this.status.classList.add("status-image", "resolved");
>-
>-        this.tooltipHandledSeparately = true;
>-
>-        breakpoint.addEventListener(WI.XHRBreakpoint.Event.DisabledStateDidChange, this._updateStatus, this);
>-
>-        this._updateStatus();
>-    }
>-
>-    // Protected
>-
>-    onattach()
>-    {
>-        super.onattach();
>-
>-        this._boundStatusImageElementClicked = this._statusImageElementClicked.bind(this);
>-        this._boundStatusImageElementFocused = this._statusImageElementFocused.bind(this);
>-        this._boundStatusImageElementMouseDown = this._statusImageElementMouseDown.bind(this);
>-
>-        this.status.addEventListener("click", this._boundStatusImageElementClicked);
>-        this.status.addEventListener("focus", this._boundStatusImageElementFocused);
>-        this.status.addEventListener("mousedown", this._boundStatusImageElementMouseDown);
>-    }
>-
>-    ondetach()
>-    {
>-        super.ondetach();
>-
>-        this.status.removeEventListener("click", this._boundStatusImageElementClicked);
>-        this.status.removeEventListener("focus", this._boundStatusImageElementFocused);
>-        this.status.removeEventListener("mousedown", this._boundStatusImageElementMouseDown);
>-
>-        this._boundStatusImageElementClicked = null;
>-        this._boundStatusImageElementFocused = null;
>-        this._boundStatusImageElementMouseDown = null;
>-    }
>-
>-    ondelete()
>-    {
>-        // We set this flag so that TreeOutlines that will remove this
>-        // BreakpointTreeElement will know whether it was deleted from
>-        // within the TreeOutline or from outside it (e.g. TextEditor).
>-        this.__deletedViaDeleteKeyboardShortcut = true;
>-
>-        WI.domDebuggerManager.removeXHRBreakpoint(this.representedObject);
>-        return true;
>-    }
>-
>-    onenter()
>-    {
>-        this._toggleBreakpoint();
>-        return true;
>-    }
>-
>-    onspace()
>-    {
>-        this._toggleBreakpoint();
>-        return true;
>-    }
>-
>-    populateContextMenu(contextMenu, event)
>-    {
>-        let breakpoint = this.representedObject;
>-        let label = breakpoint.disabled ? WI.UIString("Enable Breakpoint") : WI.UIString("Disable Breakpoint");
>-        contextMenu.appendItem(label, this._toggleBreakpoint.bind(this));
>-
>-        contextMenu.appendSeparator();
>-
>-        contextMenu.appendItem(WI.UIString("Delete Breakpoint"), () => {
>-            WI.domDebuggerManager.removeXHRBreakpoint(breakpoint);
>-        });
>-    }
>-
>-    // Private
>-
>-    _statusImageElementClicked(event)
>-    {
>-        this._toggleBreakpoint();
>-    }
>-
>-    _statusImageElementFocused(event)
>-    {
>-        // Prevent tree outline focus.
>-        event.stopPropagation();
>-    }
>-
>-    _statusImageElementMouseDown(event)
>-    {
>-        // Prevent tree element selection.
>-        event.stopPropagation();
>-    }
>-
>-    _toggleBreakpoint()
>-    {
>-        this.representedObject.disabled = !this.representedObject.disabled;
>-    }
>-
>-    _updateStatus()
>-    {
>-        this.status.classList.toggle("disabled", this.representedObject.disabled);
>-    }
>-};
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index d6da6ca0dd1b8b762c512fb48eb3432eb6e42f53..6576ce65d98b1eb04ec73ce75b53ee86cce9893c 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,18 @@
>+2019-01-06  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: extend XHR breakpoints to work with fetch
>+        https://bugs.webkit.org/show_bug.cgi?id=185843
>+        <rdar://problem/40431027>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * inspector/dom-debugger/fetch-breakpoints.html: Copied from LayoutTests/inspector/dom-debugger/xhr-breakpoints.html.
>+        * inspector/dom-debugger/fetch-breakpoints-expected.txt: Added.
>+
>+        * inspector/dom-debugger/xhr-breakpoints.html:
>+
>+        * inspector/dom-debugger/resources/dataFetch.json: Added.
>+
> 2019-01-05  Zalan Bujtas  <zalan@apple.com>
> 
>         Incorrect clipping across compositing boundary.
>diff --git a/LayoutTests/inspector/dom-debugger/fetch-breakpoints-expected.txt b/LayoutTests/inspector/dom-debugger/fetch-breakpoints-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..e3cde1c45217d3fa21900c4607f15e2ed272c898
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/fetch-breakpoints-expected.txt
>@@ -0,0 +1,72 @@
>+Tests for Fetch breakpoints.
>+
>+
>+== Running test suite: FetchBreakpoints
>+-- Running test case: BreakOnAllFetches
>+Set pause on all Fetches.
>+Sending Fetch.
>+PAUSED:
>+PASS: Pause reason should be Fetch.
>+PASS: Pause data URL should be empty.
>+CALL STACK:
>+0: [F] loadResourceFetch
>+1: [P] Global Code
>+-- Running test teardown.
>+
>+-- Running test case: BreakOnFetchContainingText
>+PASS: Added breakpoint for URL: data
>+PASS: Breakpoint should not be disabled initially.
>+Sending Fetch.
>+PAUSED:
>+PASS: Pause reason should be Fetch.
>+PASS: Pause data URL should match breakpoint URL.
>+CALL STACK:
>+0: [F] loadResourceFetch
>+1: [P] Global Code
>+-- Running test teardown.
>+
>+-- Running test case: BreakOnFetchMatchingRegularExpression
>+PASS: Added breakpoint for URL: data[A-Z]*.(json|txt|png)
>+PASS: Breakpoint should not be disabled initially.
>+Sending Fetch.
>+PAUSED:
>+PASS: Pause reason should be Fetch.
>+PASS: Pause data URL should match breakpoint URL.
>+CALL STACK:
>+0: [F] loadResourceFetch
>+1: [P] Global Code
>+-- Running test teardown.
>+
>+-- Running test case: ShouldNotPauseOnDisabledBreakpoint
>+PASS: Added breakpoint for URL: data
>+PASS: Breakpoint should not be disabled initially.
>+Breakpoint disabled.
>+Sending Fetch.
>+Wait for evaluate in page to return.
>+PASS: Should not pause for disabled breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: ShouldNotPauseOnFetchNotContainingURL
>+PASS: Added breakpoint for URL: nonexistant-url
>+PASS: Breakpoint should not be disabled initially.
>+Sending Fetch.
>+Wait for evaluate in page to return.
>+PASS: Should not pause for breakpoint with different URL.
>+-- Running test teardown.
>+
>+-- Running test case: RemoveBreakpoint
>+PASS: Added breakpoint for URL: data
>+PASS: Breakpoint should not be disabled initially.
>+Breakpoint removed.
>+Wait for evaluate in page to return.
>+PASS: Should not pause for removed breakpoint.
>+-- Running test teardown.
>+
>+-- Running test case: RemoveDisabledBreakpoint
>+PASS: Added breakpoint for URL: data
>+PASS: Breakpoint should not be disabled initially.
>+Breakpoint disabled.
>+Breakpoint removed.
>+Wait for evaluate in page to return.
>+PASS: Should not pause for removed disabled breakpoint.
>+
>diff --git a/LayoutTests/inspector/dom-debugger/fetch-breakpoints.html b/LayoutTests/inspector/dom-debugger/fetch-breakpoints.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..8ff99425151b179d50a50446f095775a36b782a8
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/fetch-breakpoints.html
>@@ -0,0 +1,233 @@
>+<!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="../worker/resources/resource-utilities.js"></script>
>+<script>
>+function test()
>+{
>+    let suite = InspectorTest.createAsyncSuite("FetchBreakpoints");
>+
>+    function teardown(resolve) {
>+        let breakpoints = WI.domDebuggerManager.urlBreakpoints;
>+        for (let breakpoint of breakpoints)
>+            WI.domDebuggerManager.removeURLBreakpoint(breakpoint);
>+
>+        WI.domDebuggerManager.allRequestsBreakpoint.disabled = true;
>+        resolve();
>+    }
>+
>+    function awaitEvaluateInPage(expression) {
>+        return new Promise((resolve, reject) => {
>+            InspectorTest.log("Wait for evaluate in page to return.");
>+            InspectorTest.evaluateInPage(expression, (error) => {
>+                if (error)
>+                    reject(error);
>+
>+                resolve();
>+            });
>+        });
>+    }
>+
>+    function rejectOnPause() {
>+        return new Promise((resolve, reject) => {
>+            WI.debuggerManager.awaitEvent(WI.DebuggerManager.Event.Paused)
>+            .then((event) => {
>+                WI.debuggerManager.resume();
>+                InspectorTest.fail("Should not pause.");
>+                reject();
>+            });
>+        });
>+    }
>+
>+    function addBreakpoint(type, url) {
>+        return new Promise((resolve, reject) => {
>+            let mainFrame = WI.networkManager.mainFrame;
>+            InspectorTest.assert(mainFrame, "Missing main frame.");
>+            if (!mainFrame)
>+                reject();
>+
>+            let breakpoint = new WI.URLBreakpoint(type, url);
>+            WI.domDebuggerManager.awaitEvent(WI.DOMDebuggerManager.Event.URLBreakpointAdded)
>+            .then(() => {
>+                InspectorTest.pass("Added breakpoint for URL: " + url);
>+                InspectorTest.expectFalse(breakpoint.disabled, "Breakpoint should not be disabled initially.");
>+                resolve(breakpoint);
>+            });
>+
>+            WI.domDebuggerManager.addURLBreakpoint(breakpoint);
>+        });
>+    }
>+
>+    suite.addTestCase({
>+        name: "BreakOnAllFetches",
>+        description: "Check that debugger pauses for all Fetches.",
>+        teardown,
>+        test(resolve, reject) {
>+            InspectorTest.log("Set pause on all Fetches.");
>+            WI.domDebuggerManager.allRequestsBreakpoint.disabled = false;
>+
>+            InspectorTest.log("Sending Fetch.");
>+            InspectorTest.evaluateInPage(`loadResourceFetch("resources/dataFetch.json")`);
>+
>+            WI.debuggerManager.awaitEvent(WI.DebuggerManager.Event.Paused)
>+            .then(() => {
>+                let targetData = WI.debuggerManager.dataForTarget(WI.debuggerManager.activeCallFrame.target);
>+                InspectorTest.log("PAUSED:");
>+                InspectorTest.expectEqual(targetData.pauseReason, WI.DebuggerManager.PauseReason.Fetch, "Pause reason should be Fetch.");
>+                InspectorTest.expectFalse(targetData.pauseData.breakpointURL, "Pause data URL should be empty.");
>+
>+                logActiveStackTrace();
>+
>+                return WI.debuggerManager.resume();
>+            })
>+            .then(resolve, reject);
>+        }
>+    });
>+
>+    suite.addTestCase({
>+        name: "BreakOnFetchContainingText",
>+        description: "Check that debugger pauses on a URL containing text.",
>+        teardown,
>+        test(resolve, reject) {
>+            let expectedBreakpointURL;
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "data")
>+            .then((breakpoint) => {
>+                expectedBreakpointURL = breakpoint.url;
>+
>+                InspectorTest.log("Sending Fetch.");
>+                InspectorTest.evaluateInPage(`loadResourceFetch("resources/dataFetch.json")`);
>+                return WI.debuggerManager.awaitEvent(WI.DebuggerManager.Event.Paused);
>+            })
>+            .then(() => {
>+                let targetData = WI.debuggerManager.dataForTarget(WI.debuggerManager.activeCallFrame.target);
>+                InspectorTest.log("PAUSED:");
>+                InspectorTest.expectEqual(targetData.pauseReason, WI.DebuggerManager.PauseReason.Fetch, "Pause reason should be Fetch.");
>+                InspectorTest.expectEqual(targetData.pauseData.breakpointURL, expectedBreakpointURL, "Pause data URL should match breakpoint URL.");
>+
>+                logActiveStackTrace();
>+
>+                return WI.debuggerManager.resume();
>+            })
>+            .then(resolve, reject);
>+        }
>+    });
>+
>+    suite.addTestCase({
>+        name: "BreakOnFetchMatchingRegularExpression",
>+        description: "Check that debugger pauses based on a URL matching a regex pattern.",
>+        teardown,
>+        test(resolve, reject) {
>+            let expectedBreakpointURL;
>+            addBreakpoint(WI.URLBreakpoint.Type.RegularExpression, "data[A-Z]*\.(json|txt|png)")
>+            .then((breakpoint) => {
>+                expectedBreakpointURL = breakpoint.url;
>+
>+                InspectorTest.log("Sending Fetch.");
>+                InspectorTest.evaluateInPage(`loadResourceFetch("resources/dataFetch.json")`);
>+                return WI.debuggerManager.awaitEvent(WI.DebuggerManager.Event.Paused);
>+            })
>+            .then(() => {
>+                let targetData = WI.debuggerManager.dataForTarget(WI.debuggerManager.activeCallFrame.target);
>+                InspectorTest.log("PAUSED:");
>+                InspectorTest.expectEqual(targetData.pauseReason, WI.DebuggerManager.PauseReason.Fetch, "Pause reason should be Fetch.");
>+                InspectorTest.expectEqual(targetData.pauseData.breakpointURL, expectedBreakpointURL, "Pause data URL should match breakpoint URL.");
>+
>+                logActiveStackTrace();
>+
>+                return WI.debuggerManager.resume();
>+            })
>+            .then(resolve, reject);
>+        }
>+    });
>+
>+    suite.addTestCase({
>+        name: "ShouldNotPauseOnDisabledBreakpoint",
>+        description: "Check that debugger does not pause for disabled breakpoint.",
>+        teardown,
>+        test(resolve, reject) {
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "data")
>+            .then((breakpoint) => {
>+                breakpoint.disabled = true;
>+                InspectorTest.log("Breakpoint disabled.");
>+
>+                InspectorTest.log("Sending Fetch.");
>+                return Promise.race([awaitEvaluateInPage(`loadResourceFetch("resources/dataFetch.json")`), rejectOnPause()]);
>+            })
>+            .then(() => {
>+                InspectorTest.pass("Should not pause for disabled breakpoint.");
>+                resolve();
>+            })
>+            .catch(reject);
>+        }
>+    });
>+
>+    suite.addTestCase({
>+        name: "ShouldNotPauseOnFetchNotContainingURL",
>+        description: "Check that debugger does not pause for breakpoint with different URL.",
>+        teardown,
>+        test(resolve, reject) {
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "nonexistant-url")
>+            .then((breakpoint) => {
>+                InspectorTest.log("Sending Fetch.");
>+                return Promise.race([awaitEvaluateInPage(`loadResourceFetch("resources/dataFetch.json")`), rejectOnPause()]);
>+            })
>+            .then(() => {
>+                InspectorTest.pass("Should not pause for breakpoint with different URL.");
>+                resolve();
>+            })
>+            .catch(reject);
>+        }
>+    });
>+
>+    suite.addTestCase({
>+        name: "RemoveBreakpoint",
>+        description: "Check that debugger does not pause for removed breakpoint.",
>+        teardown,
>+        test(resolve, reject) {
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "data")
>+            .then((breakpoint) => {
>+                WI.domDebuggerManager.removeURLBreakpoint(breakpoint);
>+                InspectorTest.log("Breakpoint removed.");
>+
>+                return Promise.race([awaitEvaluateInPage(`loadResourceFetch("resources/dataFetch.json")`), rejectOnPause()]);
>+            })
>+            .then(() => {
>+                InspectorTest.pass("Should not pause for removed breakpoint.");
>+                resolve();
>+            })
>+            .catch(reject);
>+        }
>+    });
>+
>+    suite.addTestCase({
>+        name: "RemoveDisabledBreakpoint",
>+        description: "Check that a disabled breakpoint can be removed.",
>+        test(resolve, reject) {
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "data")
>+            .then((breakpoint) => {
>+                breakpoint.disabled = true;
>+                InspectorTest.log("Breakpoint disabled.");
>+
>+                WI.domDebuggerManager.removeURLBreakpoint(breakpoint);
>+                InspectorTest.log("Breakpoint removed.");
>+
>+                return Promise.race([awaitEvaluateInPage(`loadResourceFetch("resources/dataFetch.json")`), rejectOnPause()]);
>+            })
>+            .then(() => {
>+                InspectorTest.pass("Should not pause for removed disabled breakpoint.");
>+                resolve();
>+            })
>+            .catch(reject);
>+        }
>+    });
>+
>+    suite.runTestCasesAndFinish();
>+}
>+</script>
>+</head>
>+<body onload="runTest()">
>+<p>Tests for Fetch breakpoints.</p>
>+</body>
>+</html>
>diff --git a/LayoutTests/inspector/dom-debugger/resources/dataFetch.json b/LayoutTests/inspector/dom-debugger/resources/dataFetch.json
>new file mode 100644
>index 0000000000000000000000000000000000000000..784c67c64401660562ac42f01bb7df756b0d4be1
>--- /dev/null
>+++ b/LayoutTests/inspector/dom-debugger/resources/dataFetch.json
>@@ -0,0 +1 @@
>+{"webkit":true, "type":"Fetch"}
>diff --git a/LayoutTests/inspector/dom-debugger/xhr-breakpoints.html b/LayoutTests/inspector/dom-debugger/xhr-breakpoints.html
>index f0a1350e26de0f67df07d8be22766a8016db2c50..aaf0a751658510d486743feb961b45369bec0218 100644
>--- a/LayoutTests/inspector/dom-debugger/xhr-breakpoints.html
>+++ b/LayoutTests/inspector/dom-debugger/xhr-breakpoints.html
>@@ -10,9 +10,9 @@ function test()
>     let suite = InspectorTest.createAsyncSuite("XHRBreakpoints");
> 
>     function teardown(resolve) {
>-        let breakpoints = WI.domDebuggerManager.xhrBreakpoints;
>+        let breakpoints = WI.domDebuggerManager.urlBreakpoints;
>         for (let breakpoint of breakpoints)
>-            WI.domDebuggerManager.removeXHRBreakpoint(breakpoint);
>+            WI.domDebuggerManager.removeURLBreakpoint(breakpoint);
> 
>         WI.domDebuggerManager.allRequestsBreakpoint.disabled = true;
>         resolve();
>@@ -48,15 +48,15 @@ function test()
>             if (!mainFrame)
>                 reject();
> 
>-            let breakpoint = new WI.XHRBreakpoint(type, url);
>-            WI.domDebuggerManager.awaitEvent(WI.DOMDebuggerManager.Event.XHRBreakpointAdded)
>+            let breakpoint = new WI.URLBreakpoint(type, url);
>+            WI.domDebuggerManager.awaitEvent(WI.DOMDebuggerManager.Event.URLBreakpointAdded)
>             .then(() => {
>                 InspectorTest.pass("Added breakpoint for URL: " + url);
>                 InspectorTest.expectFalse(breakpoint.disabled, "Breakpoint should not be disabled initially.");
>                 resolve(breakpoint);
>             });
> 
>-            WI.domDebuggerManager.addXHRBreakpoint(breakpoint);
>+            WI.domDebuggerManager.addURLBreakpoint(breakpoint);
>         });
>     }
> 
>@@ -92,7 +92,7 @@ function test()
>         teardown,
>         test(resolve, reject) {
>             let expectedBreakpointURL;
>-            addBreakpoint(WI.XHRBreakpoint.Type.Text, "data")
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "data")
>             .then((breakpoint) => {
>                 expectedBreakpointURL = breakpoint.url;
> 
>@@ -120,7 +120,7 @@ function test()
>         teardown,
>         test(resolve, reject) {
>             let expectedBreakpointURL;
>-            addBreakpoint(WI.XHRBreakpoint.Type.RegularExpression, "data[A-Z]*\.(json|txt|png)")
>+            addBreakpoint(WI.URLBreakpoint.Type.RegularExpression, "data[A-Z]*\.(json|txt|png)")
>             .then((breakpoint) => {
>                 expectedBreakpointURL = breakpoint.url;
> 
>@@ -147,7 +147,7 @@ function test()
>         description: "Check that debugger does not pause for disabled breakpoint.",
>         teardown,
>         test(resolve, reject) {
>-            addBreakpoint(WI.XHRBreakpoint.Type.Text, "data")
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "data")
>             .then((breakpoint) => {
>                 breakpoint.disabled = true;
>                 InspectorTest.log("Breakpoint disabled.");
>@@ -168,7 +168,7 @@ function test()
>         description: "Check that debugger does not pause for breakpoint with different URL.",
>         teardown,
>         test(resolve, reject) {
>-            addBreakpoint(WI.XHRBreakpoint.Type.Text, "nonexistant-url")
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "nonexistant-url")
>             .then((breakpoint) => {
>                 InspectorTest.log("Sending XMLHttpRequest.");
>                 return Promise.race([awaitEvaluateInPage(`loadResourceXHR("resources/dataXHR.json")`), rejectOnPause()]);
>@@ -186,9 +186,9 @@ function test()
>         description: "Check that debugger does not pause for removed breakpoint.",
>         teardown,
>         test(resolve, reject) {
>-            addBreakpoint(WI.XHRBreakpoint.Type.Text, "data")
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "data")
>             .then((breakpoint) => {
>-                WI.domDebuggerManager.removeXHRBreakpoint(breakpoint);
>+                WI.domDebuggerManager.removeURLBreakpoint(breakpoint);
>                 InspectorTest.log("Breakpoint removed.");
> 
>                 return Promise.race([awaitEvaluateInPage(`loadResourceXHR("resources/dataXHR.json")`), rejectOnPause()]);
>@@ -205,12 +205,12 @@ function test()
>         name: "RemoveDisabledBreakpoint",
>         description: "Check that a disabled breakpoint can be removed.",
>         test(resolve, reject) {
>-            addBreakpoint(WI.XHRBreakpoint.Type.Text, "data")
>+            addBreakpoint(WI.URLBreakpoint.Type.Text, "data")
>             .then((breakpoint) => {
>                 breakpoint.disabled = true;
>                 InspectorTest.log("Breakpoint disabled.");
> 
>-                WI.domDebuggerManager.removeXHRBreakpoint(breakpoint);
>+                WI.domDebuggerManager.removeURLBreakpoint(breakpoint);
>                 InspectorTest.log("Breakpoint removed.");
> 
>                 return Promise.race([awaitEvaluateInPage(`loadResourceXHR("resources/dataXHR.json")`), rejectOnPause()]);

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Attachments on bug 185843: 358471 | 358514