Attachment 175826 Details for Bug 94987 – Patch

[patch] Patch

bug-94987-20121123130329.patch (text/plain), 72.26 KB, created by Robert Flack on 2012-11-23 10:05:46 PST

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Creator: Robert Flack

Created: 2012-11-23 10:05:46 PST

Size: 72.26 KB

patch

obsolete

>Subversion Revision: 135502
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index f10d147f7a8530df6ee0d65ba256d16f03e6a2a2..5b114e446bc2e1ffb94ff2c499fb34420c332811 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,96 @@
>+2012-11-22  Robert Flack  <flackr@chromium.org>
>+
>+        Add systemTime to DOM events
>+        https://bugs.webkit.org/show_bug.cgi?id=94987
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Adds a systemTime property to DOM events which exposes the platform event
>+        timestamp consistent with Performance.now() timestamps discussed on
>+        http://lists.w3.org/Archives/Public/public-web-perf/2012Oct/0046.html and
>+        http://lists.webkit.org/pipermail/webkit-dev/2012-October/022574.html
>+
>+        Test: platform/chromium/fast/dom/event-systemTime-basic.html
>+
>+        * WebCore.exp.in:
>+        * WebCore.order:
>+        * bindings/generic/RuntimeEnabledFeatures.cpp:
>+        (WebCore):
>+        * bindings/generic/RuntimeEnabledFeatures.h:
>+        (RuntimeEnabledFeatures):
>+        (WebCore::RuntimeEnabledFeatures::eventSystemTimeEnabled):
>+        (WebCore::RuntimeEnabledFeatures::setEventSystemTimeEnabled):
>+        * dom/Document.cpp:
>+        (WebCore::Document::monotonicTimeToZeroBasedDocumentTimeMilliseconds):
>+        * dom/Document.h:
>+        (Document):
>+        * dom/Event.cpp:
>+        (WebCore::Event::Event):
>+        * dom/Event.h:
>+        (WebCore::Event::systemTime):
>+        (Event):
>+        * dom/Event.idl:
>+        * dom/KeyboardEvent.cpp:
>+        (WebCore::KeyboardEvent::KeyboardEvent):
>+        * dom/KeyboardEvent.h:
>+        (WebCore::KeyboardEvent::create):
>+        (KeyboardEvent):
>+        * dom/MouseEvent.cpp:
>+        (WebCore::MouseEvent::create):
>+        (WebCore::MouseEvent::MouseEvent):
>+        (WebCore::SimulatedMouseEvent::SimulatedMouseEvent):
>+        * dom/MouseEvent.h:
>+        (WebCore::MouseEvent::create):
>+        (MouseEvent):
>+        * dom/MouseRelatedEvent.cpp:
>+        (WebCore::MouseRelatedEvent::MouseRelatedEvent):
>+        * dom/MouseRelatedEvent.h:
>+        (MouseRelatedEvent):
>+        * dom/Node.cpp:
>+        (WebCore::Node::dispatchKeyEvent):
>+        (WebCore::Node::dispatchMouseEvent):
>+        (WebCore::Node::dispatchWheelEvent):
>+        * dom/ScriptedAnimationController.cpp:
>+        (WebCore::ScriptedAnimationController::serviceScriptedAnimations):
>+        * dom/TouchEvent.cpp:
>+        (WebCore::TouchEvent::TouchEvent):
>+        (WebCore::TouchEvent::initTouchEvent):
>+        * dom/TouchEvent.h:
>+        (WebCore::TouchEvent::create):
>+        (TouchEvent):
>+        * dom/UIEvent.cpp:
>+        (WebCore::UIEvent::UIEvent):
>+        * dom/UIEvent.h:
>+        (UIEvent):
>+        * dom/UIEventWithKeyState.h:
>+        (WebCore::UIEventWithKeyState::UIEventWithKeyState):
>+        * dom/WheelEvent.cpp:
>+        (WebCore::WheelEvent::WheelEvent):
>+        (WebCore::WheelEventDispatchMediator::create):
>+        (WebCore::WheelEventDispatchMediator::WheelEventDispatchMediator):
>+        * dom/WheelEvent.h:
>+        (WebCore::WheelEvent::create):
>+        (WheelEvent):
>+        (WheelEventDispatchMediator):
>+        * loader/DocumentLoadTiming.cpp:
>+        (WebCore::DocumentLoadTiming::monotonicTimeToZeroBasedDocumentTimeMilliseconds):
>+        * loader/DocumentLoadTiming.h:
>+        (DocumentLoadTiming):
>+        * page/EventHandler.cpp:
>+        (WebCore::EventHandler::dispatchDragEvent):
>+        (WebCore::EventHandler::keyEvent):
>+        (WebCore::EventHandler::handleTouchEvent):
>+        * page/Performance.cpp:
>+        (WebCore::Performance::now):
>+        * page/PerformanceResourceTiming.cpp:
>+        (WebCore::monotonicTimeToDocumentMilliseconds):
>+        * testing/Internals.cpp:
>+        (WebCore::Internals::navigationStartTime):
>+        (WebCore):
>+        (WebCore::Internals::dispatchPlatformMouseEvent):
>+        * testing/Internals.h:
>+        * testing/Internals.idl:
>+
> 2012-11-22  Kentaro Hara  <haraken@chromium.org>
> 
>         [V8] Rename toWebCoreStringWithNullOrUndefinedCheck() with toWebCoreStringWithUndefinedOrNullCheck()
>diff --git a/Source/WebKit/chromium/ChangeLog b/Source/WebKit/chromium/ChangeLog
>index d4d3171f017f390a6c89e20866aca944f57eea64..cdfb08f23ec21190ef4fe127eec335ff9782cbb4 100644
>--- a/Source/WebKit/chromium/ChangeLog
>+++ b/Source/WebKit/chromium/ChangeLog
>@@ -1,3 +1,25 @@
>+2012-11-22  Robert Flack  <flackr@chromium.org>
>+
>+        Add systemTime to DOM events
>+        https://bugs.webkit.org/show_bug.cgi?id=94987
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Adds a systemTime property to DOM events which exposes the platform event
>+        timestamp consistent with Performance.now() timestamps discussed on
>+        http://lists.w3.org/Archives/Public/public-web-perf/2012Oct/0046.html and
>+        http://lists.webkit.org/pipermail/webkit-dev/2012-October/022574.html
>+
>+        * features.gypi:
>+        * public/WebRuntimeFeatures.h:
>+        (WebRuntimeFeatures):
>+        * src/WebInputEventConversion.cpp:
>+        (WebKit::PlatformKeyboardEventBuilder::PlatformKeyboardEventBuilder):
>+        * src/WebRuntimeFeatures.cpp:
>+        (WebKit::WebRuntimeFeatures::enableEventSystemTime):
>+        (WebKit):
>+        (WebKit::WebRuntimeFeatures::isEventSystemTimeEnabled):
>+
> 2012-11-21  Tien-Ren Chen  <trchen@chromium.org>
> 
>         [chromium] Device scale factor should be no-op when applyDeviceScaleFactorInCompositor == 0
>diff --git a/Source/WebKit/mac/ChangeLog b/Source/WebKit/mac/ChangeLog
>index 86f91b3007a6687d56d5bfe4c6a64fbbb3a12485..fdda6f322af91f98d1ed9843de5e8b035e16b2e4 100644
>--- a/Source/WebKit/mac/ChangeLog
>+++ b/Source/WebKit/mac/ChangeLog
>@@ -1,3 +1,18 @@
>+2012-11-22  Robert Flack  <flackr@chromium.org>
>+
>+        Add systemTime to DOM events
>+        https://bugs.webkit.org/show_bug.cgi?id=94987
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Adds a systemTime property to DOM events which exposes the platform event
>+        timestamp consistent with Performance.now() timestamps discussed on
>+        http://lists.w3.org/Archives/Public/public-web-perf/2012Oct/0046.html and
>+        http://lists.webkit.org/pipermail/webkit-dev/2012-October/022574.html
>+
>+        * WebView/WebPDFView.mm:
>+        (-[WebPDFView PDFViewWillClickOnLink:withURL:]):
>+
> 2012-11-21  Allan Sandfeld Jensen  <allan.jensen@digia.com>
> 
>         Disambiguate innerNodeFramePoint and mainFramePoint
>diff --git a/Source/WebKit2/ChangeLog b/Source/WebKit2/ChangeLog
>index e411e91a88c11900eac6ebe23efa9304eb4b0a41..eacd9e33ee663329f9894c62e73cd0d6f42feb72 100644
>--- a/Source/WebKit2/ChangeLog
>+++ b/Source/WebKit2/ChangeLog
>@@ -1,3 +1,20 @@
>+2012-11-22  Robert Flack  <flackr@chromium.org>
>+
>+        Add systemTime to DOM events
>+        https://bugs.webkit.org/show_bug.cgi?id=94987
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Adds a systemTime property to DOM events which exposes the platform event
>+        timestamp consistent with Performance.now() timestamps discussed on
>+        http://lists.w3.org/Archives/Public/public-web-perf/2012Oct/0046.html and
>+        http://lists.webkit.org/pipermail/webkit-dev/2012-October/022574.html
>+
>+        * WebProcess/WebPage/WebPage.cpp:
>+        (WebKit::WebPage::linkClicked):
>+        * win/WebKit2.def:
>+        * win/WebKit2CFLite.def:
>+
> 2012-11-22  Eunmi Lee  <eunmi15.lee@samsung.com>
> 
>         [EFL][WK2] Correct the parameters of WebPlatformTouchPoint.
>diff --git a/Source/WebCore/WebCore.exp.in b/Source/WebCore/WebCore.exp.in
>index 99a044bb3ad6c08cabcf18f61fad0277c20691c4..cda4afa62ae1cd58a0a2c547882ba9a0c3959d86 100644
>--- a/Source/WebCore/WebCore.exp.in
>+++ b/Source/WebCore/WebCore.exp.in
>@@ -71,8 +71,8 @@ __ZN7WebCore10CredentialC1ERKN3WTF6StringES4_NS_21CredentialPersistenceE
> __ZN7WebCore10CredentialC1Ev
> __ZN7WebCore10FloatPointC1ERKNS_8IntPointE
> __ZN7WebCore10JSDocument6s_infoE
>-__ZN7WebCore10MouseEvent6createERKN3WTF12AtomicStringENS1_10PassRefPtrINS_9DOMWindowEEERKNS_18PlatformMouseEventEiNS5_INS_4NodeEEE
>-__ZN7WebCore10MouseEventC1ERKN3WTF12AtomicStringEbbNS1_10PassRefPtrINS_9DOMWindowEEEiiiiibbbbtNS5_INS_11EventTargetEEENS5_INS_9ClipboardEEEb
>+__ZN7WebCore10MouseEvent6createERKN3WTF12AtomicStringENS1_10PassRefPtrINS_9DOMWindowEEERKNS_18PlatformMouseEventEiNS5_INS_4NodeEEEd
>+__ZN7WebCore10MouseEventC1ERKN3WTF12AtomicStringEbbNS1_10PassRefPtrINS_9DOMWindowEEEiiiiibbbbtNS5_INS_11EventTargetEEENS5_INS_9ClipboardEEEbd
> __ZN7WebCore10RenderView10compositorEv
> __ZN7WebCore10ScrollView17setUseFixedLayoutEb
> __ZN7WebCore10ScrollView18setFixedLayoutSizeERKNS_7IntSizeE
>@@ -224,7 +224,7 @@ __ZN7WebCore13IdentifierRep3getEPKc
> __ZN7WebCore13IdentifierRep3getEi
> __ZN7WebCore13JSHTMLElement6s_infoE
> __ZN7WebCore13KeyboardEventC1ERKN3WTF12AtomicStringEbbPNS_9DOMWindowERKNS1_6StringEjbbbbb
>-__ZN7WebCore13KeyboardEventC1ERKNS_21PlatformKeyboardEventEPNS_9DOMWindowE
>+__ZN7WebCore13KeyboardEventC1ERKNS_21PlatformKeyboardEventEPNS_9DOMWindowEd
> __ZN7WebCore13QualifiedNameD1Ev
> __ZN7WebCore13ResourceErrorC1EP7NSError
> __ZN7WebCore13ResourceErrorC1EP9__CFError
>@@ -498,6 +498,7 @@ __ZN7WebCore17ViewportArguments19deprecatedTargetDPIE
> __ZN7WebCore17cacheDOMStructureEPNS_17JSDOMGlobalObjectEPN3JSC9StructureEPKNS2_9ClassInfoE
> __ZN7WebCore17openTemporaryFileERKN3WTF6StringERi
> __ZN7WebCore17userVisibleStringEP5NSURL
>+__ZNK7WebCore8Document48monotonicTimeToZeroBasedDocumentTimeMillisecondsEd
> __ZN7WebCore18DOMWindowExtensionC1EPNS_5FrameEPNS_15DOMWrapperWorldE
> __ZN7WebCore18HTMLContentElement6createEPNS_8DocumentE
> __ZN7WebCore10Pasteboard17generalPasteboardEv
>@@ -563,6 +564,7 @@ __ZN7WebCore20DictationAlternativeC1Ejjy
> __ZN7WebCore20DictationAlternativeC1Ev
> __ZN7WebCore20DisplaySleepDisablerC1EPKc
> __ZN7WebCore20DisplaySleepDisablerD1Ev
>+__ZN7WebCore4Node18dispatchMouseEventERKNS_18PlatformMouseEventERKN3WTF12AtomicStringEiPS0_
> __ZN7WebCore20NodeRenderingContextC1EPNS_4NodeE
> __ZN7WebCore20NodeRenderingContextD1Ev
> __ZN7WebCore20RenderEmbeddedObject29setPluginUnavailabilityReasonENS0_26PluginUnavailabilityReasonE
>@@ -917,6 +919,7 @@ __ZN7WebCore8Document27removeMediaCanStartListenerEPNS_21MediaCanStartListenerE
> __ZN7WebCore8Document36updateLayoutIgnorePendingStylesheetsEv
> __ZN7WebCore8Document4headEv
> __ZN7WebCore8Document8iconURLsEv
>+__ZNK7WebCore8Document6loaderEv
> __ZN7WebCore8FormData6createEPKvm
> __ZN7WebCore8FormDataD1Ev
> __ZN7WebCore8Gradient12addColorStopEfRKNS_5ColorE
>diff --git a/Source/WebCore/WebCore.order b/Source/WebCore/WebCore.order
>index f432060d2ae59d9f2bcc7933944a889001d9d512..30cf5e788b28aad601fddb7999910dba68bf6faf 100644
>--- a/Source/WebCore/WebCore.order
>+++ b/Source/WebCore/WebCore.order
>@@ -6376,7 +6376,7 @@ __ZN7WebCore9FrameView25resetDeferredRepaintDelayEv
> __ZN7WebCore12EventHandler26updateMouseEventTargetNodeEPNS_4NodeERKNS_18PlatformMouseEventEb
> __ZNK7WebCore17ScrollAnimatorMac23mouseEnteredContentAreaEv
> __ZN7WebCore4Node18dispatchMouseEventERKNS_18PlatformMouseEventERKN3WTF12AtomicStringEiPS0_
>-__ZN7WebCore10MouseEvent6createERKN3WTF12AtomicStringENS1_10PassRefPtrINS_9DOMWindowEEERKNS_18PlatformMouseEventEiNS5_INS_4NodeEEE
>+__ZN7WebCore10MouseEvent6createERKN3WTF12AtomicStringENS1_10PassRefPtrINS_9DOMWindowEEERKNS_18PlatformMouseEventEiNS5_INS_4NodeEEEd
> __ZN7WebCore26MouseEventDispatchMediatorC1EN3WTF10PassRefPtrINS_10MouseEventEEE
> __ZN7WebCore21EventDispatchMediatorC2EN3WTF10PassRefPtrINS_5EventEEE
> __ZNK7WebCore26MouseEventDispatchMediator13dispatchEventEPNS_15EventDispatcherE
>@@ -13980,8 +13980,8 @@ __ZN7WebCore12EventHandler18accessKeyModifiersEv
> __ZNK7WebCore12EventHandler38needsKeyboardEventDisambiguationQuirksEv
> __ZN7WebCore21PlatformKeyboardEventC2ERKS0_
> __ZN7WebCore21PlatformKeyboardEvent24disambiguateKeyDownEventENS0_4TypeEb
>-__ZN7WebCore13KeyboardEventC1ERKNS_21PlatformKeyboardEventEPNS_9DOMWindowE
>-__ZN7WebCore13KeyboardEventC2ERKNS_21PlatformKeyboardEventEPNS_9DOMWindowE
>+__ZN7WebCore13KeyboardEventC1ERKNS_21PlatformKeyboardEventEPNS_9DOMWindowEd
>+__ZN7WebCore13KeyboardEventC2ERKNS_21PlatformKeyboardEventEPNS_9DOMWindowEd
> __ZN7WebCore6Editor24handleInputMethodKeydownEPNS_13KeyboardEventE
> __ZNK3JSC8Bindings17ObjCRuntimeObject23getInternalObjCInstanceEv
> __ZNK7WebCore13KeyboardEvent15isKeyboardEventEv
>@@ -15316,8 +15316,8 @@ __ZNK7WebCore14DragController13draggableNodeEPKNS_5FrameEPNS_4NodeERKNS_8IntPoin
> __ZNK7WebCore12EventHandler22dragHysteresisExceededERKNS_8IntPointE
> __ZNK7WebCore12EventHandler23createDraggingClipboardEv
> __ZN7WebCore12EventHandler17dispatchDragEventERKN3WTF12AtomicStringEPNS_4NodeERKNS_18PlatformMouseEventEPNS_9ClipboardE
>-__ZN7WebCore10MouseEvent6createERKN3WTF12AtomicStringEbbNS1_10PassRefPtrINS_9DOMWindowEEEiiiiibbbbtNS5_INS_11EventTargetEEENS5_INS_9ClipboardEEEb
>-__ZN7WebCore10MouseEventC1ERKN3WTF12AtomicStringEbbNS1_10PassRefPtrINS_9DOMWindowEEEiiiiibbbbtNS5_INS_11EventTargetEEENS5_INS_9ClipboardEEEb
>+__ZN7WebCore10MouseEvent6createERKN3WTF12AtomicStringEbbNS1_10PassRefPtrINS_9DOMWindowEEEiiiiibbbbtNS5_INS_11EventTargetEEENS5_INS_9ClipboardEEEbd
>+__ZN7WebCore10MouseEventC1ERKN3WTF12AtomicStringEbbNS1_10PassRefPtrINS_9DOMWindowEEEiiiiibbbbtNS5_INS_11EventTargetEEENS5_INS_9ClipboardEEEbd
> __ZNK7WebCore9Clipboard15sourceOperationEv
> __ZN7WebCoreL14dragOpFromIEOpERKN3WTF6StringE
> __ZN7WebCore14DragController9startDragEPNS_5FrameERKNS_9DragStateENS_13DragOperationERKNS_18PlatformMouseEventERKNS_8IntPointE
>diff --git a/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.cpp b/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.cpp
>index ea3679e2d0370b502134698d4fc2acaf305b878b..616b3873ced4687ee001520098ee7e42f890ab01 100644
>--- a/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.cpp
>+++ b/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.cpp
>@@ -228,6 +228,10 @@ bool RuntimeEnabledFeatures::isInputTypeWeekEnabled = true;
> bool RuntimeEnabledFeatures::isDialogElementEnabled = false;
> #endif
> 
>+#if ENABLE(EVENT_SYSTEM_TIME)
>+bool RuntimeEnabledFeatures::isEventSystemTimeEnabled = false;
>+#endif
>+
> #if ENABLE(REQUEST_AUTOCOMPLETE)
> bool RuntimeEnabledFeatures::isRequestAutocompleteEnabled = false;
> #endif
>diff --git a/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h b/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h
>index bb95ce8456cb923cb903004a1faef6fe79831b44..cc02cb63ff0ae377dfe15a8514f6b0f2a0eac6dc 100644
>--- a/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h
>+++ b/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h
>@@ -251,6 +251,11 @@ public:
>     // The lang attribute support is incomplete and should only be turned on for tests.
>     static void setLangAttributeAwareFormControlUIEnabled(bool isEnabled) { isLangAttributeAwareFormControlUIEnabled = isEnabled; }
> 
>+#if ENABLE(EVENT_SYSTEM_TIME)
>+    static bool eventSystemTimeEnabled() { return isEventSystemTimeEnabled; }
>+    static void setEventSystemTimeEnabled(bool isEnabled) { isEventSystemTimeEnabled = isEnabled; }
>+#endif
>+
> #if ENABLE(REQUEST_AUTOCOMPLETE)
>     static bool requestAutocompleteEnabled() { return isRequestAutocompleteEnabled; }
>     static void setRequestAutocompleteEnabled(bool isEnabled) { isRequestAutocompleteEnabled = isEnabled; }
>@@ -353,6 +358,10 @@ private:
>     static bool isDialogElementEnabled;
> #endif
> 
>+#if ENABLE(EVENT_SYSTEM_TIME)
>+    static bool isEventSystemTimeEnabled;
>+#endif
>+
> #if ENABLE(REQUEST_AUTOCOMPLETE)
>     static bool isRequestAutocompleteEnabled;
> #endif
>diff --git a/Source/WebCore/dom/Document.cpp b/Source/WebCore/dom/Document.cpp
>index 436903418e9f5c97bac547c1f21a2cec1ce5074d..ea2b49c6298e084f326956417c38e1d2ac91da2b 100644
>--- a/Source/WebCore/dom/Document.cpp
>+++ b/Source/WebCore/dom/Document.cpp
>@@ -5485,6 +5485,13 @@ void Document::removeFromTopLayer(Element* element)
> }
> #endif
> 
>+double Document::monotonicTimeToZeroBasedDocumentTimeMilliseconds(double monotonicTime) const
>+{
>+    if (!loader() || !loader()->timing())
>+        return 0;
>+    return loader()->timing()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(monotonicTime);
>+}
>+
> #if ENABLE(POINTER_LOCK)
> void Document::webkitExitPointerLock()
> {
>diff --git a/Source/WebCore/dom/Document.h b/Source/WebCore/dom/Document.h
>index 343b0db578f4de9b0c52d17639d75b509e606c4a..00e0fff1237ef68fa6939e9abc6fe6c02fc2286e 100644
>--- a/Source/WebCore/dom/Document.h
>+++ b/Source/WebCore/dom/Document.h
>@@ -1174,6 +1174,8 @@ public:
>     const Vector<RefPtr<Element> >& topLayerElements() const { return m_topLayerElements; }
> #endif
> 
>+    double monotonicTimeToZeroBasedDocumentTimeMilliseconds(double monotonicTime) const;
>+
> protected:
>     Document(Frame*, const KURL&, bool isXHTML, bool isHTML);
> 
>diff --git a/Source/WebCore/dom/Event.cpp b/Source/WebCore/dom/Event.cpp
>index c1e609ff40a0611a72c2c7c11081512beb28dc55..2257ab662b9cbea9cdee425cb1b7a83956b8ff6f 100644
>--- a/Source/WebCore/dom/Event.cpp
>+++ b/Source/WebCore/dom/Event.cpp
>@@ -51,10 +51,11 @@ Event::Event()
>     , m_eventPhase(0)
>     , m_currentTarget(0)
>     , m_createTime(convertSecondsToDOMTimeStamp(currentTime()))
>+    , m_systemTime(0)
> {
> }
> 
>-Event::Event(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg)
>+Event::Event(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg, double systemTime)
>     : m_type(eventType)
>     , m_canBubble(canBubbleArg)
>     , m_cancelable(cancelableArg)
>@@ -66,6 +67,7 @@ Event::Event(const AtomicString& eventType, bool canBubbleArg, bool cancelableAr
>     , m_eventPhase(0)
>     , m_currentTarget(0)
>     , m_createTime(convertSecondsToDOMTimeStamp(currentTime()))
>+    , m_systemTime(systemTime)
> {
> }
> 
>@@ -81,6 +83,7 @@ Event::Event(const AtomicString& eventType, const EventInit& initializer)
>     , m_eventPhase(0)
>     , m_currentTarget(0)
>     , m_createTime(convertSecondsToDOMTimeStamp(currentTime()))
>+    , m_systemTime(0)
> {
> }
> 
>diff --git a/Source/WebCore/dom/Event.h b/Source/WebCore/dom/Event.h
>index 36f029356aafcb071c31f03016167597f6d25db8..ca40f4b8cac3ffb83a7d8fa4116f1dd8f06fad44 100644
>--- a/Source/WebCore/dom/Event.h
>+++ b/Source/WebCore/dom/Event.h
>@@ -106,6 +106,7 @@ public:
>     bool bubbles() const { return m_canBubble; }
>     bool cancelable() const { return m_cancelable; }
>     DOMTimeStamp timeStamp() const { return m_createTime; }
>+    double systemTime() const { return m_systemTime; }
> 
>     void stopPropagation() { m_propagationStopped = true; }
>     void stopImmediatePropagation() { m_immediatePropagationStopped = true; }
>@@ -167,7 +168,7 @@ public:
> 
> protected:
>     Event();
>-    Event(const AtomicString& type, bool canBubble, bool cancelable);
>+    Event(const AtomicString& type, bool canBubble, bool cancelable, double systemTime = 0);
>     Event(const AtomicString& type, const EventInit&);
> 
>     virtual void receivedTarget();
>@@ -188,6 +189,7 @@ private:
>     EventTarget* m_currentTarget;
>     RefPtr<EventTarget> m_target;
>     DOMTimeStamp m_createTime;
>+    double m_systemTime;
> 
>     RefPtr<Event> m_underlyingEvent;
> };
>diff --git a/Source/WebCore/dom/Event.idl b/Source/WebCore/dom/Event.idl
>index a9af04689e525b123d49d1448a94fb4e1464a175..3fa5a71b1d500510bbc542cac0720cb924fbb16e 100644
>--- a/Source/WebCore/dom/Event.idl
>+++ b/Source/WebCore/dom/Event.idl
>@@ -59,6 +59,7 @@
>     [InitializedByEventConstructor] readonly attribute boolean bubbles;
>     [InitializedByEventConstructor] readonly attribute boolean cancelable;
>     readonly attribute DOMTimeStamp     timeStamp;
>+    [Conditional=EVENT_SYSTEM_TIME, V8EnabledAtRuntime=eventSystemTime] readonly attribute double systemTime;
> 
>     void               stopPropagation();
>     void               preventDefault();
>diff --git a/Source/WebCore/dom/KeyboardEvent.cpp b/Source/WebCore/dom/KeyboardEvent.cpp
>index 1c6119f5ba3cbe2d7b2c16368cb222200fb56d36..71475fe641ecbc6dc67314882af5e26707a54092 100644
>--- a/Source/WebCore/dom/KeyboardEvent.cpp
>+++ b/Source/WebCore/dom/KeyboardEvent.cpp
>@@ -98,9 +98,8 @@ KeyboardEvent::KeyboardEvent()
> {
> }
> 
>-KeyboardEvent::KeyboardEvent(const PlatformKeyboardEvent& key, AbstractView* view)
>-    : UIEventWithKeyState(eventTypeForKeyboardEventType(key.type()),
>-                          true, true, view, 0, key.ctrlKey(), key.altKey(), key.shiftKey(), key.metaKey())
>+KeyboardEvent::KeyboardEvent(const PlatformKeyboardEvent& key, AbstractView* view, double timeStamp)
>+    : UIEventWithKeyState(eventTypeForKeyboardEventType(key.type()), true, true, view, 0, key.ctrlKey(), key.altKey(), key.shiftKey(), key.metaKey(), timeStamp)
>     , m_keyEvent(adoptPtr(new PlatformKeyboardEvent(key)))
>     , m_keyIdentifier(key.keyIdentifier())
>     , m_keyLocation(keyLocationCode(key))
>diff --git a/Source/WebCore/dom/KeyboardEvent.h b/Source/WebCore/dom/KeyboardEvent.h
>index 1537410bebb60bf819b0e3a8a3012620565d8811..1c369901d6730b761920a692c68b50f009d482e4 100644
>--- a/Source/WebCore/dom/KeyboardEvent.h
>+++ b/Source/WebCore/dom/KeyboardEvent.h
>@@ -59,9 +59,9 @@ namespace WebCore {
>         {
>             return adoptRef(new KeyboardEvent);
>         }
>-        static PassRefPtr<KeyboardEvent> create(const PlatformKeyboardEvent& platformEvent, AbstractView* view)
>+        static PassRefPtr<KeyboardEvent> create(const PlatformKeyboardEvent& platformEvent, AbstractView* view, double systemTime = 0)
>         {
>-            return adoptRef(new KeyboardEvent(platformEvent, view));
>+            return adoptRef(new KeyboardEvent(platformEvent, view, systemTime));
>         }
>         static PassRefPtr<KeyboardEvent> create(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view,
>             const String& keyIdentifier, unsigned keyLocation,
>@@ -99,7 +99,7 @@ namespace WebCore {
> 
>     private:
>         KeyboardEvent();
>-        KeyboardEvent(const PlatformKeyboardEvent&, AbstractView*);
>+        KeyboardEvent(const PlatformKeyboardEvent&, AbstractView*, double systemTime);
>         KeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView*,
>                       const String& keyIdentifier, unsigned keyLocation,
>                       bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey);
>diff --git a/Source/WebCore/dom/MouseEvent.cpp b/Source/WebCore/dom/MouseEvent.cpp
>index 9e92c27136ccf90dbe3b7b260b5bb67aea4456ab..3f4da96704bb5a8445749fe86c1c68e5e3d47212 100644
>--- a/Source/WebCore/dom/MouseEvent.cpp
>+++ b/Source/WebCore/dom/MouseEvent.cpp
>@@ -32,7 +32,7 @@
> 
> namespace WebCore {
> 
>-PassRefPtr<MouseEvent> MouseEvent::create(const AtomicString& eventType, PassRefPtr<AbstractView> view, const PlatformMouseEvent& event, int detail, PassRefPtr<Node> relatedTarget)
>+PassRefPtr<MouseEvent> MouseEvent::create(const AtomicString& eventType, PassRefPtr<AbstractView> view, const PlatformMouseEvent& event, int detail, PassRefPtr<Node> relatedTarget, double systemTime)
> {
>     ASSERT(event.type() == PlatformEvent::MouseMoved || event.button() != NoButton);
> 
>@@ -44,7 +44,7 @@ PassRefPtr<MouseEvent> MouseEvent::create(const AtomicString& eventType, PassRef
>         event.movementDelta().x(), event.movementDelta().y(),
> #endif
>         event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.button(),
>-        relatedTarget, 0, false);
>+        relatedTarget, 0, false, systemTime);
> }
> 
> MouseEvent::MouseEvent()
>@@ -54,19 +54,21 @@ MouseEvent::MouseEvent()
> }
> 
> MouseEvent::MouseEvent(const AtomicString& eventType, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view,
>-                       int detail, int screenX, int screenY, int pageX, int pageY,
>+    int detail, int screenX, int screenY, int pageX, int pageY,
> #if ENABLE(POINTER_LOCK)
>                        int movementX, int movementY,
> #endif
>-                       bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
>-                       unsigned short button, PassRefPtr<EventTarget> relatedTarget,
>-                       PassRefPtr<Clipboard> clipboard, bool isSimulated)
>+    bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
>+    unsigned short button, PassRefPtr<EventTarget> relatedTarget,
>+    PassRefPtr<Clipboard> clipboard, bool isSimulated,
>+    double systemTime)
>     : MouseRelatedEvent(eventType, canBubble, cancelable, view, detail, IntPoint(screenX, screenY),
>                         IntPoint(pageX, pageY),
> #if ENABLE(POINTER_LOCK)
>                         IntPoint(movementX, movementY),
> #endif
>-                        ctrlKey, altKey, shiftKey, metaKey, isSimulated)
>+                        ctrlKey, altKey, shiftKey, metaKey, isSimulated,
>+                        systemTime)
>     , m_button(button == (unsigned short)-1 ? 0 : button)
>     , m_buttonDown(button != (unsigned short)-1)
>     , m_relatedTarget(relatedTarget)
>@@ -190,9 +192,9 @@ SimulatedMouseEvent::~SimulatedMouseEvent()
> SimulatedMouseEvent::SimulatedMouseEvent(const AtomicString& eventType, PassRefPtr<AbstractView> view, PassRefPtr<Event> underlyingEvent)
>     : MouseEvent(eventType, true, true, view, 0, 0, 0, 0, 0,
> #if ENABLE(POINTER_LOCK)
>-                 0, 0,
>+        0, 0,
> #endif
>-                 false, false, false, false, 0, 0, 0, true)
>+        false, false, false, false, 0, 0, 0, true, 0)
> {
>     if (UIEventWithKeyState* keyStateEvent = findEventWithKeyState(underlyingEvent.get())) {
>         m_ctrlKey = keyStateEvent->ctrlKey();
>diff --git a/Source/WebCore/dom/MouseEvent.h b/Source/WebCore/dom/MouseEvent.h
>index a1c7922b9c7d74f2b8d164e84089ecd457a8cc5e..30467799e7d8d82416d21d379a08702df6282b88 100644
>--- a/Source/WebCore/dom/MouseEvent.h
>+++ b/Source/WebCore/dom/MouseEvent.h
>@@ -46,15 +46,15 @@ class PlatformMouseEvent;
>             int movementX, int movementY,
> #endif
>             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button,
>-            PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard> clipboard = 0, bool isSimulated = false)
>+            PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard> clipboard = 0, bool isSimulated = false, double systemTime = 0)
>         {
>             return adoptRef(new MouseEvent(type, canBubble, cancelable, view, detail, screenX, screenY, pageX, pageY,
> #if ENABLE(POINTER_LOCK)
>                 movementX, movementY,
> #endif
>-                ctrlKey, altKey, shiftKey, metaKey, button, relatedTarget, clipboard, isSimulated));
>+                ctrlKey, altKey, shiftKey, metaKey, button, relatedTarget, clipboard, isSimulated, systemTime));
>         }
>-        static PassRefPtr<MouseEvent> create(const AtomicString& eventType, PassRefPtr<AbstractView>, const PlatformMouseEvent&, int detail, PassRefPtr<Node> relatedTarget);
>+        static PassRefPtr<MouseEvent> create(const AtomicString& eventType, PassRefPtr<AbstractView>, const PlatformMouseEvent&, int detail, PassRefPtr<Node> relatedTarget, double systemTime);
> 
>         virtual ~MouseEvent();
> 
>@@ -87,12 +87,12 @@ class PlatformMouseEvent;
> 
>     protected:
>         MouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>,
>-                   int detail, int screenX, int screenY, int pageX, int pageY,
>+            int detail, int screenX, int screenY, int pageX, int pageY,
> #if ENABLE(POINTER_LOCK)
>-                   int movementX, int movementY,
>+            int movementX, int movementY,
> #endif
>-                   bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button,
>-                   PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard> clipboard, bool isSimulated);
>+            bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button,
>+            PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard>, bool isSimulated, double systemTime);
> 
>     protected:
>         MouseEvent();
>diff --git a/Source/WebCore/dom/MouseRelatedEvent.cpp b/Source/WebCore/dom/MouseRelatedEvent.cpp
>index 801aa671d1c7888211107dbd1c0659eb1334e4c9..dcce7f0e57c14ca4a9da17d9c180eb6b73927961 100644
>--- a/Source/WebCore/dom/MouseRelatedEvent.cpp
>+++ b/Source/WebCore/dom/MouseRelatedEvent.cpp
>@@ -52,13 +52,14 @@ static LayoutSize contentsScrollOffset(AbstractView* abstractView)
>     return LayoutSize(frameView->scrollX() / scaleFactor, frameView->scrollY() / scaleFactor);
> }
> 
>-MouseRelatedEvent::MouseRelatedEvent(const AtomicString& eventType, bool canBubble, bool cancelable, PassRefPtr<AbstractView> abstractView,
>-                                     int detail, const IntPoint& screenLocation, const IntPoint& windowLocation,
>+MouseRelatedEvent::MouseRelatedEvent(
>+    const AtomicString& eventType, bool canBubble, bool cancelable, PassRefPtr<AbstractView> abstractView,
>+    int detail, const IntPoint& screenLocation, const IntPoint& windowLocation,
> #if ENABLE(POINTER_LOCK)
>-                                     const IntPoint& movementDelta,
>+    const IntPoint& movementDelta,
> #endif
>-                                     bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool isSimulated)
>-    : UIEventWithKeyState(eventType, canBubble, cancelable, abstractView, detail, ctrlKey, altKey, shiftKey, metaKey)
>+    bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool isSimulated, double systemTime)
>+    : UIEventWithKeyState(eventType, canBubble, cancelable, abstractView, detail, ctrlKey, altKey, shiftKey, metaKey, systemTime)
>     , m_screenLocation(screenLocation)
> #if ENABLE(POINTER_LOCK)
>     , m_movementDelta(movementDelta)
>diff --git a/Source/WebCore/dom/MouseRelatedEvent.h b/Source/WebCore/dom/MouseRelatedEvent.h
>index a2de9a4b6aa29d6a945fd107df1dc9a1f093ad8d..57225689ad010f65ab220e0d4f78a0e721326b8a 100644
>--- a/Source/WebCore/dom/MouseRelatedEvent.h
>+++ b/Source/WebCore/dom/MouseRelatedEvent.h
>@@ -62,12 +62,13 @@ namespace WebCore {
> 
>     protected:
>         MouseRelatedEvent();
>-        MouseRelatedEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>,
>-                          int detail, const IntPoint& screenLocation, const IntPoint& windowLocation,
>+        MouseRelatedEvent(
>+            const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>,
>+            int detail, const IntPoint& screenLocation, const IntPoint& windowLocation,
> #if ENABLE(POINTER_LOCK)
>-                          const IntPoint& movementDelta,
>+            const IntPoint& movementDelta,
> #endif
>-                          bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool isSimulated = false);
>+            bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool isSimulated = false, double systemTime = 0);
> 
>         void initCoordinates();
>         void initCoordinates(const LayoutPoint& clientLocation);
>diff --git a/Source/WebCore/dom/Node.cpp b/Source/WebCore/dom/Node.cpp
>index bdeb6e243c69eb904dc5884114eac5af3d771eb0..0ab060a5679d438bb0bb040bd2ed4e382eca1256 100644
>--- a/Source/WebCore/dom/Node.cpp
>+++ b/Source/WebCore/dom/Node.cpp
>@@ -45,6 +45,7 @@
> #include "DOMImplementation.h"
> #include "DOMSettableTokenList.h"
> #include "Document.h"
>+#include "DocumentLoader.h"
> #include "DocumentType.h"
> #include "DynamicNodeList.h"
> #include "Element.h"
>@@ -76,6 +77,7 @@
> #include "NodeRareData.h"
> #include "NodeRenderingContext.h"
> #include "Page.h"
>+#include "PlatformKeyboardEvent.h"
> #include "PlatformMouseEvent.h"
> #include "PlatformWheelEvent.h"
> #include "ProcessingInstruction.h"
>@@ -2601,13 +2603,13 @@ bool Node::dispatchDOMActivateEvent(int detail, PassRefPtr<Event> underlyingEven
> 
> bool Node::dispatchKeyEvent(const PlatformKeyboardEvent& event)
> {
>-    return EventDispatcher::dispatchEvent(this, KeyboardEventDispatchMediator::create(KeyboardEvent::create(event, document()->defaultView())));
>+    return EventDispatcher::dispatchEvent(this, KeyboardEventDispatchMediator::create(KeyboardEvent::create(event, document()->defaultView(), document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(event.timestamp()))));
> }
> 
> bool Node::dispatchMouseEvent(const PlatformMouseEvent& event, const AtomicString& eventType,
>     int detail, Node* relatedTarget)
> {
>-    return EventDispatcher::dispatchEvent(this, MouseEventDispatchMediator::create(MouseEvent::create(eventType, document()->defaultView(), event, detail, relatedTarget)));
>+    return EventDispatcher::dispatchEvent(this, MouseEventDispatchMediator::create(MouseEvent::create(eventType, document()->defaultView(), event, detail, relatedTarget, document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(event.timestamp()))));
> }
> 
> #if ENABLE(GESTURE_EVENTS)
>@@ -2638,7 +2640,7 @@ bool Node::dispatchBeforeLoadEvent(const String& sourceURL)
> 
> bool Node::dispatchWheelEvent(const PlatformWheelEvent& event)
> {
>-    return EventDispatcher::dispatchEvent(this, WheelEventDispatchMediator::create(event, document()->defaultView()));
>+    return EventDispatcher::dispatchEvent(this, WheelEventDispatchMediator::create(event, document()->defaultView(), document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(event.timestamp())));
> }
> 
> void Node::dispatchFocusEvent(PassRefPtr<Node> oldFocusedNode)
>diff --git a/Source/WebCore/dom/ScriptedAnimationController.cpp b/Source/WebCore/dom/ScriptedAnimationController.cpp
>index 2f7862bdd4a149967062a0250e42cc30ef0b98d8..0b1f06048b321f61b8b8603cdb3dbb89ebb326ed 100644
>--- a/Source/WebCore/dom/ScriptedAnimationController.cpp
>+++ b/Source/WebCore/dom/ScriptedAnimationController.cpp
>@@ -113,7 +113,7 @@ void ScriptedAnimationController::serviceScriptedAnimations(double monotonicTime
>     if (!m_callbacks.size() || m_suspendCount || (m_document->settings() && !m_document->settings()->requestAnimationFrameEnabled()))
>         return;
> 
>-    double highResNowMs = 1000.0 * m_document->loader()->timing()->monotonicTimeToZeroBasedDocumentTime(monotonicTimeNow);
>+    double highResNowMs = m_document->monotonicTimeToZeroBasedDocumentTimeMilliseconds(monotonicTimeNow);
> 
>     // First, generate a list of callbacks to consider.  Callbacks registered from this point
>     // on are considered only for the "next" frame, not this one.
>diff --git a/Source/WebCore/dom/TouchEvent.cpp b/Source/WebCore/dom/TouchEvent.cpp
>index a58f1dcc9e238ebea462cfa5b659476e1b6036b3..49fc947fbec077bc1d62ce755a529bb954c69b54 100644
>--- a/Source/WebCore/dom/TouchEvent.cpp
>+++ b/Source/WebCore/dom/TouchEvent.cpp
>@@ -42,13 +42,15 @@ TouchEvent::TouchEvent()
> TouchEvent::TouchEvent(TouchList* touches, TouchList* targetTouches,
>         TouchList* changedTouches, const AtomicString& type, 
>         PassRefPtr<AbstractView> view, int screenX, int screenY, int pageX, int pageY,
>-        bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
>+        bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
>+        double systemTime)
>     : MouseRelatedEvent(type, true, true, view, 0, IntPoint(screenX, screenY),
>                         IntPoint(pageX, pageY),
> #if ENABLE(POINTER_LOCK)
>                         IntPoint(0, 0),
> #endif
>-                        ctrlKey, altKey, shiftKey, metaKey)
>+                        ctrlKey, altKey, shiftKey, metaKey, false,
>+                        systemTime)
>     , m_touches(touches)
>     , m_targetTouches(targetTouches)
>     , m_changedTouches(changedTouches)
>@@ -86,7 +88,6 @@ void TouchEvent::initTouchEvent(TouchList* touches, TouchList* targetTouches,
>     m_doubleTap = false;
>     m_touchHold = false;
> #endif
>-
> }
> 
> const AtomicString& TouchEvent::interfaceName() const
>diff --git a/Source/WebCore/dom/TouchEvent.h b/Source/WebCore/dom/TouchEvent.h
>index b2e5b2ee346bd800752db19d6e82814503c84c77..ee45584ad0644a14ec7a2d800e3f4172b526785a 100644
>--- a/Source/WebCore/dom/TouchEvent.h
>+++ b/Source/WebCore/dom/TouchEvent.h
>@@ -47,11 +47,12 @@ public:
>             TouchList* targetTouches, TouchList* changedTouches, 
>             const AtomicString& type, PassRefPtr<AbstractView> view,
>             int screenX, int screenY, int pageX, int pageY,
>-            bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
>+            bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
>+            double systemTime)
>     {
>         return adoptRef(new TouchEvent(touches, targetTouches, changedTouches,
>                 type, view, screenX, screenY, pageX, pageY,
>-                ctrlKey, altKey, shiftKey, metaKey));
>+                ctrlKey, altKey, shiftKey, metaKey, systemTime));
>     }
> 
>     void initTouchEvent(TouchList* touches, TouchList* targetTouches,
>@@ -79,7 +80,8 @@ private:
>             TouchList* changedTouches, const AtomicString& type,
>             PassRefPtr<AbstractView>, int screenX, int screenY, int pageX,
>             int pageY,
>-            bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);
>+            bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
>+            double systemTime);
> 
>     RefPtr<TouchList> m_touches;
>     RefPtr<TouchList> m_targetTouches;
>diff --git a/Source/WebCore/dom/UIEvent.cpp b/Source/WebCore/dom/UIEvent.cpp
>index 367372670ed8dd055497e8ada4449daefd423d43..02c7e549528f6be5b2bb2a0ccbd095dce6c0fcc7 100644
>--- a/Source/WebCore/dom/UIEvent.cpp
>+++ b/Source/WebCore/dom/UIEvent.cpp
>@@ -35,8 +35,8 @@ UIEvent::UIEvent()
> {
> }
> 
>-UIEvent::UIEvent(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg, PassRefPtr<AbstractView> viewArg, int detailArg)
>-    : Event(eventType, canBubbleArg, cancelableArg)
>+UIEvent::UIEvent(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg, PassRefPtr<AbstractView> viewArg, int detailArg, double systemTime)
>+    : Event(eventType, canBubbleArg, cancelableArg, systemTime)
>     , m_view(viewArg)
>     , m_detail(detailArg)
> {
>diff --git a/Source/WebCore/dom/UIEvent.h b/Source/WebCore/dom/UIEvent.h
>index 207eb7b04f6be638621abeba0c42ac85303e5aba..a2140e814bb9e965683fa6f547babd2adb073ffb 100644
>--- a/Source/WebCore/dom/UIEvent.h
>+++ b/Source/WebCore/dom/UIEvent.h
>@@ -65,7 +65,7 @@ namespace WebCore {
> 
>     protected:
>         UIEvent();
>-        UIEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, int detail);
>+        UIEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, int detail, double systemTime = 0);
> 
>     private:
>         RefPtr<AbstractView> m_view;
>diff --git a/Source/WebCore/dom/UIEventWithKeyState.h b/Source/WebCore/dom/UIEventWithKeyState.h
>index 414161a7d062afae7d6350d5ca1bde0cd54f29fd..2ea790d72ac52c2b4d75b7e8c35703b9b7121ca6 100644
>--- a/Source/WebCore/dom/UIEventWithKeyState.h
>+++ b/Source/WebCore/dom/UIEventWithKeyState.h
>@@ -44,9 +44,8 @@ namespace WebCore {
>         {
>         }
>         
>-        UIEventWithKeyState(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view,
>-                            int detail, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
>-            : UIEvent(type, canBubble, cancelable, view, detail)
>+        UIEventWithKeyState(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView> view, int detail, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, double systemTime = 0)
>+            : UIEvent(type, canBubble, cancelable, view, detail, systemTime)
>             , m_ctrlKey(ctrlKey)
>             , m_altKey(altKey)
>             , m_shiftKey(shiftKey)
>diff --git a/Source/WebCore/dom/WheelEvent.cpp b/Source/WebCore/dom/WheelEvent.cpp
>index e76c33ace9e6f6f053218ef41e2ff22d2beec918..fbe07b1caad4ac991a06719eff94309a429f62e8 100644
>--- a/Source/WebCore/dom/WheelEvent.cpp
>+++ b/Source/WebCore/dom/WheelEvent.cpp
>@@ -37,18 +37,13 @@ WheelEvent::WheelEvent()
> {
> }
> 
>-WheelEvent::WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta,
>-                       Granularity granularity, PassRefPtr<AbstractView> view,
>-                       const IntPoint& screenLocation, const IntPoint& pageLocation,
>-                       bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
>-                       bool directionInvertedFromDevice)
>+WheelEvent::WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta, Granularity granularity, PassRefPtr<AbstractView> view, const IntPoint& screenLocation, const IntPoint& pageLocation, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice, double systemTime)
>     : MouseEvent(eventNames().mousewheelEvent,
>-                 true, true, view, 0, screenLocation.x(), screenLocation.y(),
>-                 pageLocation.x(), pageLocation.y(),
>+        true, true, view, 0, screenLocation.x(), screenLocation.y(), pageLocation.x(), pageLocation.y(),
> #if ENABLE(POINTER_LOCK)
>-                 0, 0,
>+        0, 0,
> #endif
>-                 ctrlKey, altKey, shiftKey, metaKey, 0, 0, 0, false)
>+        ctrlKey, altKey, shiftKey, metaKey, 0, 0, 0, false, systemTime)
>     , m_wheelDelta(IntPoint(static_cast<int>(wheelTicks.x() * tickMultiplier), static_cast<int>(wheelTicks.y() * tickMultiplier)))
>     , m_rawDelta(roundedIntPoint(rawDelta))
>     , m_granularity(granularity)
>@@ -104,19 +99,19 @@ inline static WheelEvent::Granularity granularity(const PlatformWheelEvent& even
>     return event.granularity() == ScrollByPageWheelEvent ? WheelEvent::Page : WheelEvent::Pixel;
> }
> 
>-PassRefPtr<WheelEventDispatchMediator> WheelEventDispatchMediator::create(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view)
>+PassRefPtr<WheelEventDispatchMediator> WheelEventDispatchMediator::create(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view, double systemTime)
> {
>-    return adoptRef(new WheelEventDispatchMediator(event, view));
>+    return adoptRef(new WheelEventDispatchMediator(event, view, systemTime));
> }
> 
>-WheelEventDispatchMediator::WheelEventDispatchMediator(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view)
>+WheelEventDispatchMediator::WheelEventDispatchMediator(const PlatformWheelEvent& event, PassRefPtr<AbstractView> view, double systemTime)
> {
>     if (!(event.deltaX() || event.deltaY()))
>         return;
> 
>     setEvent(WheelEvent::create(FloatPoint(event.wheelTicksX(), event.wheelTicksY()), FloatPoint(event.deltaX(), event.deltaY()),
>                                 granularity(event), view, event.globalPosition(), event.position(),
>-                                event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.directionInvertedFromDevice()));
>+                                event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.directionInvertedFromDevice(), systemTime));
> }
> 
> WheelEvent* WheelEventDispatchMediator::event() const
>diff --git a/Source/WebCore/dom/WheelEvent.h b/Source/WebCore/dom/WheelEvent.h
>index 13576890d831c3e896f0be3f011375d9111fc8ce..0abd1a897ccc4fa0a1c0920ec2d691a4d0ca1db6 100644
>--- a/Source/WebCore/dom/WheelEvent.h
>+++ b/Source/WebCore/dom/WheelEvent.h
>@@ -41,13 +41,10 @@ namespace WebCore {
>         {
>             return adoptRef(new WheelEvent);
>         }
>-        static PassRefPtr<WheelEvent> create(const FloatPoint& wheelTicks,
>-            const FloatPoint& rawDelta, Granularity granularity, PassRefPtr<AbstractView> view,
>-            const IntPoint& screenLocation, const IntPoint& pageLocation,
>-            bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice)
>+        static PassRefPtr<WheelEvent> create(const FloatPoint& wheelTicks, const FloatPoint& rawDelta, Granularity granularity, PassRefPtr<AbstractView> view, const IntPoint& screenLocation, const IntPoint& pageLocation, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice, double systemTime)
>         {
>             return adoptRef(new WheelEvent(wheelTicks, rawDelta, granularity, view,
>-                screenLocation, pageLocation, ctrlKey, altKey, shiftKey, metaKey, directionInvertedFromDevice));
>+                screenLocation, pageLocation, ctrlKey, altKey, shiftKey, metaKey, directionInvertedFromDevice, systemTime));
>         }
> 
>         void initWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView>,
>@@ -74,10 +71,7 @@ namespace WebCore {
> 
>     private:
>         WheelEvent();
>-        WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta,
>-                   Granularity, PassRefPtr<AbstractView>,
>-                   const IntPoint& screenLocation, const IntPoint& pageLocation,
>-                   bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice);
>+        WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta, Granularity, PassRefPtr<AbstractView>, const IntPoint& screenLocation, const IntPoint& pageLocation, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice, double systemTime);
> 
>         IntPoint m_wheelDelta;
>         IntPoint m_rawDelta;
>@@ -87,9 +81,9 @@ namespace WebCore {
> 
> class WheelEventDispatchMediator : public EventDispatchMediator {
> public:
>-    static PassRefPtr<WheelEventDispatchMediator> create(const PlatformWheelEvent&, PassRefPtr<AbstractView>);
>+    static PassRefPtr<WheelEventDispatchMediator> create(const PlatformWheelEvent&, PassRefPtr<AbstractView>, double systemTime = 0);
> private:
>-    WheelEventDispatchMediator(const PlatformWheelEvent&, PassRefPtr<AbstractView>);
>+    WheelEventDispatchMediator(const PlatformWheelEvent&, PassRefPtr<AbstractView>, double systemTime);
>     WheelEvent* event() const;
>     virtual bool dispatchEvent(EventDispatcher*) const;
> };
>diff --git a/Source/WebCore/loader/DocumentLoadTiming.cpp b/Source/WebCore/loader/DocumentLoadTiming.cpp
>index 4b22f723bf847223589ae5764f7fc8bab102dd36..7c9f165af4d6d7182ae14199924987e3d076cc47 100644
>--- a/Source/WebCore/loader/DocumentLoadTiming.cpp
>+++ b/Source/WebCore/loader/DocumentLoadTiming.cpp
>@@ -54,11 +54,11 @@ DocumentLoadTiming::DocumentLoadTiming()
> {
> }
> 
>-double DocumentLoadTiming::monotonicTimeToZeroBasedDocumentTime(double monotonicTime) const
>+double DocumentLoadTiming::monotonicTimeToZeroBasedDocumentTimeMilliseconds(double monotonicTime) const
> {
>     if (!monotonicTime)
>         return 0.0;
>-    return monotonicTime - m_referenceMonotonicTime;
>+    return (monotonicTime - m_referenceMonotonicTime) * 1000.0;
> }
> 
> double DocumentLoadTiming::monotonicTimeToPseudoWallTime(double monotonicTime) const
>diff --git a/Source/WebCore/loader/DocumentLoadTiming.h b/Source/WebCore/loader/DocumentLoadTiming.h
>index 64494330d506c87ef99124b2369b875e482f5e50..88e4d51874c5a1d58fdeed7610e83725dbcec399 100644
>--- a/Source/WebCore/loader/DocumentLoadTiming.h
>+++ b/Source/WebCore/loader/DocumentLoadTiming.h
>@@ -37,7 +37,7 @@ class DocumentLoadTiming {
> public:
>     DocumentLoadTiming();
> 
>-    double monotonicTimeToZeroBasedDocumentTime(double) const;
>+    double monotonicTimeToZeroBasedDocumentTimeMilliseconds(double) const;
>     double monotonicTimeToPseudoWallTime(double) const;
> 
>     void markNavigationStart();
>diff --git a/Source/WebCore/page/EventHandler.cpp b/Source/WebCore/page/EventHandler.cpp
>index ac50de5c65c2e7533cfb7b2802bd6f4a1af1d526..230faf9827e7e040001e07e31708716336d7d642 100644
>--- a/Source/WebCore/page/EventHandler.cpp
>+++ b/Source/WebCore/page/EventHandler.cpp
>@@ -37,6 +37,7 @@
> #include "CursorList.h"
> #include "Document.h"
> #include "DocumentEventQueue.h"
>+#include "DocumentLoader.h"
> #include "DragController.h"
> #include "DragState.h"
> #include "Editor.h"
>@@ -2025,7 +2026,8 @@ bool EventHandler::dispatchDragEvent(const AtomicString& eventType, Node* dragTa
>         event.movementDelta().x(), event.movementDelta().y(),
> #endif
>         event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(),
>-        0, 0, clipboard);
>+        0, 0, clipboard, false,
>+        m_frame->document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(event.timestamp()));
> 
>     ExceptionCode ec;
>     dragTarget->dispatchEvent(me.get(), ec);
>@@ -3103,7 +3105,7 @@ bool EventHandler::keyEvent(const PlatformKeyboardEvent& initialKeyEvent)
>     PlatformKeyboardEvent keyDownEvent = initialKeyEvent;    
>     if (keyDownEvent.type() != PlatformEvent::RawKeyDown)
>         keyDownEvent.disambiguateKeyDownEvent(PlatformEvent::RawKeyDown, backwardCompatibilityMode);
>-    RefPtr<KeyboardEvent> keydown = KeyboardEvent::create(keyDownEvent, m_frame->document()->defaultView());
>+    RefPtr<KeyboardEvent> keydown = KeyboardEvent::create(keyDownEvent, m_frame->document()->defaultView(), m_frame->document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(initialKeyEvent.timestamp()));
>     if (matchedAnAccessKey)
>         keydown->setDefaultPrevented(true);
>     keydown->setTarget(node);
>@@ -3126,7 +3128,7 @@ bool EventHandler::keyEvent(const PlatformKeyboardEvent& initialKeyEvent)
>     
>     if (handledByInputMethod) {
>         keyDownEvent.setWindowsVirtualKeyCode(CompositionEventKeyCode);
>-        keydown = KeyboardEvent::create(keyDownEvent, m_frame->document()->defaultView());
>+        keydown = KeyboardEvent::create(keyDownEvent, m_frame->document()->defaultView(), m_frame->document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(initialKeyEvent.timestamp()));
>         keydown->setTarget(node);
>         keydown->setDefaultHandled();
>     }
>@@ -3150,7 +3152,7 @@ bool EventHandler::keyEvent(const PlatformKeyboardEvent& initialKeyEvent)
>     keyPressEvent.disambiguateKeyDownEvent(PlatformEvent::Char, backwardCompatibilityMode);
>     if (keyPressEvent.text().isEmpty())
>         return keydownResult;
>-    RefPtr<KeyboardEvent> keypress = KeyboardEvent::create(keyPressEvent, m_frame->document()->defaultView());
>+    RefPtr<KeyboardEvent> keypress = KeyboardEvent::create(keyPressEvent, m_frame->document()->defaultView(), m_frame->document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(initialKeyEvent.timestamp()));
>     keypress->setTarget(node);
>     if (keydownResult)
>         keypress->setDefaultPrevented(true);
>@@ -3901,10 +3903,11 @@ bool EventHandler::handleTouchEvent(const PlatformTouchEvent& event)
>             RefPtr<TouchList> targetTouches(isTouchCancelEvent ? emptyList : touchesByTarget.get(touchEventTarget));
>             ASSERT(targetTouches);
> 
>+            Document* doc = touchEventTarget->toNode()->document();
>             RefPtr<TouchEvent> touchEvent =
>                 TouchEvent::create(effectiveTouches.get(), targetTouches.get(), changedTouches[state].m_touches.get(),
>-                                   stateName, touchEventTarget->toNode()->document()->defaultView(),
>-                                   0, 0, 0, 0, event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey());
>+                    stateName, doc->defaultView(), 0, 0, 0, 0, event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(),
>+                    doc->monotonicTimeToZeroBasedDocumentTimeMilliseconds(event.timestamp()));
>             ExceptionCode ec = 0;
>             touchEventTarget->dispatchEvent(touchEvent.get(), ec);
>             swallowedEvent = swallowedEvent || touchEvent->defaultPrevented() || touchEvent->defaultHandled();
>diff --git a/Source/WebCore/page/Performance.cpp b/Source/WebCore/page/Performance.cpp
>index e6871b7b7d9d6016e27e5e6a815b0292b64c79d0..21d51e55d853547f5b312b3ded3b667b11bfddc4 100644
>--- a/Source/WebCore/page/Performance.cpp
>+++ b/Source/WebCore/page/Performance.cpp
>@@ -250,7 +250,7 @@ void Performance::webkitClearMeasures(const String& measureName)
> 
> double Performance::now() const
> {
>-    return 1000.0 * m_frame->document()->loader()->timing()->monotonicTimeToZeroBasedDocumentTime(monotonicallyIncreasingTime());
>+    return m_frame->document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(monotonicallyIncreasingTime());
> }
> 
> } // namespace WebCore
>diff --git a/Source/WebCore/page/PerformanceResourceTiming.cpp b/Source/WebCore/page/PerformanceResourceTiming.cpp
>index df1dc76ec1d25ddc3c164131eace610439222d19..f323ecc9d8578c54b7c63f87aff1696e54aa6f7d 100644
>--- a/Source/WebCore/page/PerformanceResourceTiming.cpp
>+++ b/Source/WebCore/page/PerformanceResourceTiming.cpp
>@@ -47,7 +47,7 @@ namespace WebCore {
> double monotonicTimeToDocumentMilliseconds(Document* document, double seconds)
> {
>     ASSERT(seconds >= 0.0);
>-    return document->loader()->timing()->monotonicTimeToZeroBasedDocumentTime(seconds) * 1000.0;
>+    return document->monotonicTimeToZeroBasedDocumentTimeMilliseconds(seconds);
> }
> 
> PerformanceResourceTiming::PerformanceResourceTiming(const AtomicString& initiatorType, const ResourceRequest& request, const ResourceResponse& response, double initiationTime, double finishTime, Document* requestingDocument)
>diff --git a/Source/WebCore/testing/Internals.cpp b/Source/WebCore/testing/Internals.cpp
>index ea794b77298234cc1673078e3d1fbf9e484eeadd..eefd3177e335d5bf37fed115454552c9804c7f42 100644
>--- a/Source/WebCore/testing/Internals.cpp
>+++ b/Source/WebCore/testing/Internals.cpp
>@@ -35,6 +35,8 @@
> #include "DOMStringList.h"
> #include "DOMWindow.h"
> #include "Document.h"
>+#include "DocumentLoadTiming.h"
>+#include "DocumentLoader.h"
> #include "DocumentMarker.h"
> #include "DocumentMarkerController.h"
> #include "Element.h"
>@@ -1525,6 +1527,24 @@ PassRefPtr<DOMStringList> Internals::getReferencedFilePaths() const
>     return stringList.release();
> }
> 
>+double Internals::navigationStartTime(Document* document, ExceptionCode& ec) const
>+{
>+    if (!document) {
>+        ec = INVALID_ACCESS_ERR;
>+        return 0;
>+    }
>+    return document->loader()->timing()->navigationStart();
>+}
>+
>+void Internals::dispatchPlatformMouseEvent(Node* node, int x, int y, double platformTimeStamp, ExceptionCode& ec)
>+{
>+    if (!node) {
>+        ec = INVALID_ACCESS_ERR;
>+        return;
>+    }
>+    node->dispatchMouseEvent(PlatformMouseEvent(IntPoint(x, y), IntPoint(x, y), WebCore::LeftButton, WebCore::PlatformEvent::MouseReleased, 1, false, false, false, false, platformTimeStamp), "click");
>+}
>+
> void Internals::startTrackingRepaints(Document* document, ExceptionCode& ec)
> {
>     if (!document || !document->view()) {
>diff --git a/Source/WebCore/testing/Internals.h b/Source/WebCore/testing/Internals.h
>index 68e65e4cb9d141b1d3a8cf618c4a89d00e5053b5..b6c98051411aea89e1d39604276d940ca667c3bb 100644
>--- a/Source/WebCore/testing/Internals.h
>+++ b/Source/WebCore/testing/Internals.h
>@@ -245,6 +245,10 @@ public:
> 
>     PassRefPtr<DOMStringList> getReferencedFilePaths() const;
> 
>+    double navigationStartTime(Document*, ExceptionCode&) const;
>+
>+    void dispatchPlatformMouseEvent(Node*, int x, int y, double platformTimeStamp, ExceptionCode&);
>+
>     void startTrackingRepaints(Document*, ExceptionCode&);
>     void stopTrackingRepaints(Document*, ExceptionCode&);
> 
>diff --git a/Source/WebCore/testing/Internals.idl b/Source/WebCore/testing/Internals.idl
>index 703bea3aaaad17b70b18d999237e563d5482e84f..3f3d3cd8ac47025213c109256257880b7858c05a 100644
>--- a/Source/WebCore/testing/Internals.idl
>+++ b/Source/WebCore/testing/Internals.idl
>@@ -210,6 +210,10 @@
> 
>     DOMString[] getReferencedFilePaths();
> 
>+    double navigationStartTime(in Document document) raises (DOMException);
>+
>+    void dispatchPlatformMouseEvent(in Node node, in long x, in long y, in double platformTimeStamp) raises (DOMException);
>+
>     // These functions both reset the tracked repaint rects. They are inteded to be used in the following order:
>     //  startTrackingRepaints, repaintRectsAsText, stopTrackingRepaints.
>     void startTrackingRepaints(in Document document) raises (DOMException);
>diff --git a/Source/WebKit/chromium/features.gypi b/Source/WebKit/chromium/features.gypi
>index 4f43106d38751d4f7589dd72db3ce2e4f1d4ca1f..2739eb084b0ab5f79b3dcefc1ab5964893d4ddb0 100644
>--- a/Source/WebKit/chromium/features.gypi
>+++ b/Source/WebKit/chromium/features.gypi
>@@ -61,6 +61,7 @@
>       'ENABLE_DOWNLOAD_ATTRIBUTE=1',
>       'ENABLE_DRAGGABLE_REGION=1',
>       'ENABLE_ENCRYPTED_MEDIA=1',
>+      'ENABLE_EVENT_SYSTEM_TIME=1',
>       'ENABLE_FILE_SYSTEM=1',
>       'ENABLE_FILTERS=1',
>       'ENABLE_FULLSCREEN_API=1',
>diff --git a/Source/WebKit/chromium/public/WebRuntimeFeatures.h b/Source/WebKit/chromium/public/WebRuntimeFeatures.h
>index 2f6ef1ce4ea094fd1bca4f128da34e52a50975ab..9d9987813ed6793a05d118a96790d27573415d88 100644
>--- a/Source/WebKit/chromium/public/WebRuntimeFeatures.h
>+++ b/Source/WebKit/chromium/public/WebRuntimeFeatures.h
>@@ -46,6 +46,9 @@ public:
>     WEBKIT_EXPORT static void enableDatabase(bool);
>     WEBKIT_EXPORT static bool isDatabaseEnabled();
> 
>+    WEBKIT_EXPORT static void enableEventSystemTime(bool);
>+    WEBKIT_EXPORT static bool isEventSystemTimeEnabled();
>+
>     WEBKIT_EXPORT static void enableLocalStorage(bool);
>     WEBKIT_EXPORT static bool isLocalStorageEnabled();
> 
>diff --git a/Source/WebKit/chromium/src/WebInputEventConversion.cpp b/Source/WebKit/chromium/src/WebInputEventConversion.cpp
>index 5cf24d0c1aa37eea6f382b0b29103f7596b2e39e..fd2c23b1b38b7faebde2d1322437ba0135d1e623 100644
>--- a/Source/WebKit/chromium/src/WebInputEventConversion.cpp
>+++ b/Source/WebKit/chromium/src/WebInputEventConversion.cpp
>@@ -240,6 +240,7 @@ PlatformKeyboardEventBuilder::PlatformKeyboardEventBuilder(const WebKeyboardEven
>     m_nativeVirtualKeyCode = e.nativeKeyCode;
>     m_isKeypad = (e.modifiers & WebInputEvent::IsKeyPad);
>     m_isSystemKey = e.isSystemKey;
>+    m_timestamp = e.timeStampSeconds;
> 
>     m_modifiers = 0;
>     if (e.modifiers & WebInputEvent::ShiftKey)
>diff --git a/Source/WebKit/chromium/src/WebRuntimeFeatures.cpp b/Source/WebKit/chromium/src/WebRuntimeFeatures.cpp
>index a195de29290800c0503f118b0b36371f0b2846c9..2edbbde6b21095137c28f372fa395d9a905b1279 100644
>--- a/Source/WebKit/chromium/src/WebRuntimeFeatures.cpp
>+++ b/Source/WebKit/chromium/src/WebRuntimeFeatures.cpp
>@@ -58,6 +58,22 @@ bool WebRuntimeFeatures::isDatabaseEnabled()
> #endif
> }
> 
>+void WebRuntimeFeatures::enableEventSystemTime(bool enable)
>+{
>+#if ENABLE(EVENT_SYSTEM_TIME)
>+    RuntimeEnabledFeatures::setEventSystemTimeEnabled(enable);
>+#endif
>+}
>+
>+bool WebRuntimeFeatures::isEventSystemTimeEnabled()
>+{
>+#if ENABLE(EVENT_SYSTEM_TIME)
>+    return RuntimeEnabledFeatures::eventSystemTimeEnabled();
>+#else
>+    return false;
>+#endif
>+}
>+
> // FIXME: Remove the ability to enable this feature at runtime.
> void WebRuntimeFeatures::enableLocalStorage(bool enable)
> {
>diff --git a/Source/WebKit/mac/WebView/WebPDFView.mm b/Source/WebKit/mac/WebView/WebPDFView.mm
>index 92a3f963fab0a2cf0315f069e618277d80ba189a..620707db231f3a1679215ef414f80b98ddf16034 100644
>--- a/Source/WebKit/mac/WebView/WebPDFView.mm
>+++ b/Source/WebKit/mac/WebView/WebPDFView.mm
>@@ -48,6 +48,7 @@
> #import "WebView.h"
> #import "WebViewInternal.h"
> #import <PDFKit/PDFKit.h>
>+#import <WebCore/DocumentLoader.h>
> #import <WebCore/EventNames.h>
> #import <WebCore/FormState.h>
> #import <WebCore/Frame.h>
>@@ -943,6 +944,7 @@ static BOOL isFrameInRange(WebFrame *frame, DOMRange *range)
>     if (!URL)
>         return;
> 
>+    Frame* frame = core([dataSource webFrame]);
>     NSWindow *window = [sender window];
>     NSEvent *nsEvent = [window currentEvent];
>     const int noButton = -1;
>@@ -974,11 +976,10 @@ static BOOL isFrameInRange(WebFrame *frame, DOMRange *range)
>             [nsEvent modifierFlags] & NSAlternateKeyMask,
>             [nsEvent modifierFlags] & NSShiftKeyMask,
>             [nsEvent modifierFlags] & NSCommandKeyMask,
>-            button, 0, 0, true);
>+            button, 0, 0, true, frame->document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds([nsEvent timestamp]));
>     }
> 
>     // Call to the frame loader because this is where our security checks are made.
>-    Frame* frame = core([dataSource webFrame]);
>     frame->loader()->loadFrameRequest(FrameLoadRequest(frame->document()->securityOrigin(), ResourceRequest(URL)), false, false, event.get(), 0, MaybeSendReferrer);
> }
> 
>diff --git a/Source/WebKit2/WebProcess/WebPage/WebPage.cpp b/Source/WebKit2/WebProcess/WebPage/WebPage.cpp
>index c91c73ed100d293a55dc1acac1d940d86390fe88..852be5d7416e852b040b1d614adf52275c357bfc 100644
>--- a/Source/WebKit2/WebProcess/WebPage/WebPage.cpp
>+++ b/Source/WebKit2/WebProcess/WebPage/WebPage.cpp
>@@ -871,7 +871,7 @@ void WebPage::linkClicked(const String& url, const WebMouseEvent& event)
> 
>     RefPtr<Event> coreEvent;
>     if (event.type() != WebEvent::NoType)
>-        coreEvent = MouseEvent::create(eventNames().clickEvent, frame->document()->defaultView(), platform(event), 0, 0);
>+        coreEvent = MouseEvent::create(eventNames().clickEvent, frame->document()->defaultView(), platform(event), 0, 0, frame->document()->monotonicTimeToZeroBasedDocumentTimeMilliseconds(event.timestamp()));
> 
>     frame->loader()->loadFrameRequest(FrameLoadRequest(frame->document()->securityOrigin(), ResourceRequest(url)), 
>         false, false, coreEvent.get(), 0, MaybeSendReferrer);
>diff --git a/Source/WebKit2/win/WebKit2.def b/Source/WebKit2/win/WebKit2.def
>index 8416b91019a976962cf9ffc038d6f88c527ce015..aa9faee297469a8485342f3e8a2db94722ec31dd 100644
>--- a/Source/WebKit2/win/WebKit2.def
>+++ b/Source/WebKit2/win/WebKit2.def
>@@ -175,6 +175,7 @@ EXPORTS
>         ?create@ShadowRoot@WebCore@@SA?AV?$PassRefPtr@VShadowRoot@WebCore@@@WTF@@PAVElement@2@AAH@Z
>         ?createWrapper@WebCore@@YA?AVJSValue@JSC@@PAVExecState@3@PAVJSDOMGlobalObject@1@PAVNode@1@@Z
>         ?deserialize@SerializedScriptValue@WebCore@@QAE?AVJSValue@JSC@@PAVExecState@4@PAVJSGlobalObject@4@PAV?$Vector@V?$RefPtr@VMessagePort@WebCore@@@WTF@@$00@WTF@@W4SerializationErrorMode@2@@Z
>+        ?dispatchMouseEvent@Node@WebCore@@QAE_NABVPlatformMouseEvent@2@ABVAtomicString@WTF@@HPAV12@@Z
>         ?documentState@HistoryItem@WebCore@@QBEABV?$Vector@VString@WTF@@$0A@@WTF@@XZ
>         ?ensureSelectFeatureSetCollected@ElementShadow@WebCore@@QAEXXZ
>         ?equal@WTF@@YA_NPBVStringImpl@1@PBE@Z
>@@ -204,6 +205,7 @@ EXPORTS
>         ?nextSibling@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>         ?firstChild@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>         ?lastChild@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>+        ?loader@Document@WebCore@@QBEPAVDocumentLoader@2@XZ
>         ?next@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>         ?previous@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>         ?number@String@WTF@@SA?AV12@_J@Z
>diff --git a/Source/WebKit2/win/WebKit2CFLite.def b/Source/WebKit2/win/WebKit2CFLite.def
>index 003fc8b6d24e7ae414c47e2e5a73fac90e7de57c..78903159cd74de669ef9c89e7ff6a765ab8710c2 100644
>--- a/Source/WebKit2/win/WebKit2CFLite.def
>+++ b/Source/WebKit2/win/WebKit2CFLite.def
>@@ -169,6 +169,7 @@ EXPORTS
>         ?create@ShadowRoot@WebCore@@SA?AV?$PassRefPtr@VShadowRoot@WebCore@@@WTF@@PAVElement@2@AAH@Z
>         ?createWrapper@WebCore@@YA?AVJSValue@JSC@@PAVExecState@3@PAVJSDOMGlobalObject@1@PAVNode@1@@Z
>         ?deserialize@SerializedScriptValue@WebCore@@QAE?AVJSValue@JSC@@PAVExecState@4@PAVJSGlobalObject@4@PAV?$Vector@V?$RefPtr@VMessagePort@WebCore@@@WTF@@$00@WTF@@W4SerializationErrorMode@2@@Z
>+        ?dispatchMouseEvent@Node@WebCore@@QAE_NABVPlatformMouseEvent@2@ABVAtomicString@WTF@@HPAV12@@Z
>         ?documentState@HistoryItem@WebCore@@QBEABV?$Vector@VString@WTF@@$0A@@WTF@@XZ
>         ?ensureSelectFeatureSetCollected@ElementShadow@WebCore@@QAEXXZ
>         ?equal@WTF@@YA_NPBVStringImpl@1@PBE@Z
>@@ -197,6 +198,7 @@ EXPORTS
>         ?nextSibling@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>         ?firstChild@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>         ?lastChild@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>+        ?loader@Document@WebCore@@QBEPAVDocumentLoader@2@XZ
>         ?next@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>         ?previous@ComposedShadowTreeWalker@WebCore@@QAEXXZ
>         ?number@String@WTF@@SA?AV12@_J@Z
>diff --git a/Source/autotools/symbols.filter b/Source/autotools/symbols.filter
>index c18745c4629be9b67a8937b1f9211dea2e072a95..702294ee63bc33b7d2346bcce58feb115bb7d577 100644
>--- a/Source/autotools/symbols.filter
>+++ b/Source/autotools/symbols.filter
>@@ -40,6 +40,7 @@ _ZN7WebCore5Range6createEN3WTF10PassRefPtrINS_8DocumentEEENS2_INS_4NodeEEEiS6_i;
> _ZN7WebCore5RangeD1Ev;
> _ZN7WebCore8Document36updateLayoutIgnorePendingStylesheetsEv;
> _ZN7WebCore8Document8iconURLsEv;
>+_ZNK7WebCore8Document6loaderEv;
> _ZN7WebCore9HTMLNames8inputTagE;
> _ZN7WebCore9HTMLNames11textareaTagE;
> _ZN7WebCore10JSDocument10putVirtualEPN3JSC9ExecStateERKNS1_10IdentifierENS1_7JSValueERNS1_15PutPropertySlotE;
>@@ -82,6 +83,7 @@ _ZN7WebCore19InspectorController18disconnectFrontendEv;
> _ZN7WebCore19InspectorController26setInspectorFrontendClientEN3WTF10PassOwnPtrINS_23InspectorFrontendClientEEE;
> _ZN7WebCore19InspectorController39setResourcesDataSizeLimitsFromInternalsEii;
> _ZN7WebCore20CachedResourceLoader31garbageCollectDocumentResourcesEv;
>+_ZN7WebCore4Node18dispatchMouseEventERKNS_18PlatformMouseEventERKN3WTF12AtomicStringEiPS0_;
> _ZN7WebCore20NodeRenderingContextC1EPNS_4NodeE;
> _ZN7WebCore20NodeRenderingContextD1Ev;
> _ZN7WebCore21InspectorConsoleAgent28consoleMessageArgumentCountsEv;
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index 6e659bb0466593873adc0caa37bd47370d652231..991e728e0a6edb94fd34c72c8fe54d1106db3157 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,18 @@
>+2012-11-22  Robert Flack  <flackr@chromium.org>
>+
>+        Add systemTime to DOM events
>+        https://bugs.webkit.org/show_bug.cgi?id=94987
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Adds a systemTime property to DOM events which exposes the platform event
>+        timestamp consistent with Performance.now() timestamps discussed on
>+        http://lists.w3.org/Archives/Public/public-web-perf/2012Oct/0046.html and
>+        http://lists.webkit.org/pipermail/webkit-dev/2012-October/022574.html
>+
>+        * DumpRenderTree/chromium/WebPreferences.cpp:
>+        (WebPreferences::applyTo):
>+
> 2012-11-22  Balazs Kelemen  <kbalazs@webkit.org>
> 
>         [Qt][WTR] TestController::platformRunUntil should not do busy waiting
>diff --git a/Tools/DumpRenderTree/chromium/WebPreferences.cpp b/Tools/DumpRenderTree/chromium/WebPreferences.cpp
>index e13939d32d45f6860098b1d95f57c0817079dafb..f787e6e84fba8a9232b4b5d75ac3b4a28fc0ab20 100644
>--- a/Tools/DumpRenderTree/chromium/WebPreferences.cpp
>+++ b/Tools/DumpRenderTree/chromium/WebPreferences.cpp
>@@ -31,6 +31,7 @@
> #include "config.h"
> #include "WebPreferences.h"
> 
>+#include "WebRuntimeFeatures.h"
> #include "WebView.h"
> 
> using namespace WebKit;
>@@ -258,4 +259,8 @@ void WebPreferences::applyTo(WebView* webView)
>     settings->setVisualWordMovementEnabled(false);
>     settings->setPasswordEchoEnabled(false);
>     settings->setApplyDeviceScaleFactorInCompositor(true);
>+
>+#if ENABLE(EVENT_SYSTEM_TIME)
>+    WebRuntimeFeatures::enableEventSystemTime(true);
>+#endif
> }
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index 77ff9ebc76d53f1512e596fa2896fe1ff62ef0a2..6b5b999e896e4d1db464999247de9711d4d3eb07 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,22 @@
>+2012-11-22  Robert Flack  <flackr@chromium.org>
>+
>+        Add systemTime to DOM events
>+        https://bugs.webkit.org/show_bug.cgi?id=94987
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Adds a systemTime property to DOM events which exposes the platform event
>+        timestamp consistent with Performance.now() timestamps discussed on
>+        http://lists.w3.org/Archives/Public/public-web-perf/2012Oct/0046.html and
>+        http://lists.webkit.org/pipermail/webkit-dev/2012-October/022574.html
>+
>+        * platform/chromium-linux/fast/xmlhttprequest/xmlhttprequest-get-expected.txt:
>+        * platform/chromium-win/fast/xmlhttprequest/xmlhttprequest-get-expected.txt:
>+        * platform/chromium/fast/dom/event-systemTime-basic-expected.txt: Added.
>+        * platform/chromium/fast/dom/event-systemTime-basic.html: Added.
>+        * platform/chromium/fast/xmlhttprequest/xmlhttprequest-get-expected.txt:
>+        * platform/chromium/http/tests/workers/worker-importScriptsOnError-expected.txt:
>+
> 2012-11-22  Yury Semikhatsky  <yurys@chromium.org>
> 
>         Chromium gardening. Rebaseline compositing tests
>diff --git a/LayoutTests/platform/chromium-linux/fast/xmlhttprequest/xmlhttprequest-get-expected.txt b/LayoutTests/platform/chromium-linux/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>index ca2175c49279d78d2ba3cbb0bc1d4042e5c4c0db..d3e6e0c30088ea2990c36e8e22e625249a14a757 100644
>--- a/LayoutTests/platform/chromium-linux/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>+++ b/LayoutTests/platform/chromium-linux/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>@@ -59,6 +59,7 @@ returnValue : 'true'
> srcElement : '[object XMLHttpRequest]'
> stopImmediatePropagation : 'function stopImmediatePropagation() { [native code] }'
> stopPropagation : 'function stopPropagation() { [native code] }'
>+systemTime : '0'
> target : '[object XMLHttpRequest]'
> total : '0'
> totalSize : '0'
>diff --git a/LayoutTests/platform/chromium-win/fast/xmlhttprequest/xmlhttprequest-get-expected.txt b/LayoutTests/platform/chromium-win/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>index ca2175c49279d78d2ba3cbb0bc1d4042e5c4c0db..d3e6e0c30088ea2990c36e8e22e625249a14a757 100644
>--- a/LayoutTests/platform/chromium-win/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>+++ b/LayoutTests/platform/chromium-win/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>@@ -59,6 +59,7 @@ returnValue : 'true'
> srcElement : '[object XMLHttpRequest]'
> stopImmediatePropagation : 'function stopImmediatePropagation() { [native code] }'
> stopPropagation : 'function stopPropagation() { [native code] }'
>+systemTime : '0'
> target : '[object XMLHttpRequest]'
> total : '0'
> totalSize : '0'
>diff --git a/LayoutTests/platform/chromium/fast/dom/event-systemTime-basic-expected.txt b/LayoutTests/platform/chromium/fast/dom/event-systemTime-basic-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..3bd231677f146b582349ec67332d9a8f1ea99239
>--- /dev/null
>+++ b/LayoutTests/platform/chromium/fast/dom/event-systemTime-basic-expected.txt
>@@ -0,0 +1,8 @@
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+PASS navigationStartTime > 0 is true
>+PASS clickEvent instanceof window.Event is true
>+PASS clickEvent.systemTime !== undefined is true
>+PASS clickEvent.systemTime is 1500
>+
>diff --git a/LayoutTests/platform/chromium/fast/dom/event-systemTime-basic.html b/LayoutTests/platform/chromium/fast/dom/event-systemTime-basic.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..a3f4bc4cf0c0f27fdf5905c60b79cc8e033f7157
>--- /dev/null
>+++ b/LayoutTests/platform/chromium/fast/dom/event-systemTime-basic.html
>@@ -0,0 +1,42 @@
>+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
>+<html>
>+<head>
>+<script src="../../../../fast/js/resources/js-test-pre.js"></script>
>+<script>
>+
>+var clickEvent;
>+var navigationStartTime;
>+var eventSystemTime = 1500;
>+
>+function eventListener(e)
>+{
>+    clickEvent = e;
>+}
>+
>+function runTest()
>+{
>+    window.testRunner.dumpAsText();
>+    if (document.body.addEventListener) {
>+        document.body.addEventListener("click", eventListener, false);
>+    } else {
>+        document.body.attachEvent("onclick", eventListener);
>+    }
>+
>+    navigationStartTime = window.internals.navigationStartTime(document);
>+    shouldBeTrue("navigationStartTime > 0");
>+
>+    var eventTime = navigationStartTime + eventSystemTime / 1000;
>+    window.internals.dispatchPlatformMouseEvent(document.body, 50, 50, eventTime);
>+
>+    shouldBeTrue("clickEvent instanceof window.Event");
>+    shouldBeTrue("clickEvent.systemTime !== undefined");
>+    shouldBe("clickEvent.systemTime", String(eventSystemTime));
>+}
>+
>+</script>
>+</head>
>+<body onload="runTest();">
>+<p id="debug"></p>
>+<script src="../../../../fast/js/resources/js-test-post.js"></script>
>+</body>
>+</html>
>diff --git a/LayoutTests/platform/chromium/fast/xmlhttprequest/xmlhttprequest-get-expected.txt b/LayoutTests/platform/chromium/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>index ca2175c49279d78d2ba3cbb0bc1d4042e5c4c0db..d3e6e0c30088ea2990c36e8e22e625249a14a757 100644
>--- a/LayoutTests/platform/chromium/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>+++ b/LayoutTests/platform/chromium/fast/xmlhttprequest/xmlhttprequest-get-expected.txt
>@@ -59,6 +59,7 @@ returnValue : 'true'
> srcElement : '[object XMLHttpRequest]'
> stopImmediatePropagation : 'function stopImmediatePropagation() { [native code] }'
> stopPropagation : 'function stopPropagation() { [native code] }'
>+systemTime : '0'
> target : '[object XMLHttpRequest]'
> total : '0'
> totalSize : '0'
>diff --git a/LayoutTests/platform/chromium/http/tests/workers/worker-importScriptsOnError-expected.txt b/LayoutTests/platform/chromium/http/tests/workers/worker-importScriptsOnError-expected.txt
>index 3a7d7491d1d421111fb28f23b95ff22639e7110b..ffa40fb579fb63634914a3f4810d5053bc996f07 100644
>--- a/LayoutTests/platform/chromium/http/tests/workers/worker-importScriptsOnError-expected.txt
>+++ b/LayoutTests/platform/chromium/http/tests/workers/worker-importScriptsOnError-expected.txt
>@@ -38,6 +38,7 @@ returnValue: true,
> srcElement: [object Worker],
> stopImmediatePropagation: function stopImmediatePropagation() { [native code] },
> stopPropagation: function stopPropagation() { [native code] },
>+systemTime: 0,
> target: [object Worker],
> type: error
> 
>diff --git a/ChangeLog b/ChangeLog
>index 814a8bc794e79f010c90dd6f8d5eb2bc6610bdcd..0bd70a5ddf010fd04418eb70ad5f741cab32ccb7 100644
>--- a/ChangeLog
>+++ b/ChangeLog
>@@ -1,3 +1,17 @@
>+2012-11-22  Robert Flack  <flackr@chromium.org>
>+
>+        Add systemTime to DOM events
>+        https://bugs.webkit.org/show_bug.cgi?id=94987
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Adds a systemTime property to DOM events which exposes the platform event
>+        timestamp consistent with Performance.now() timestamps discussed on
>+        http://lists.w3.org/Archives/Public/public-web-perf/2012Oct/0046.html and
>+        http://lists.webkit.org/pipermail/webkit-dev/2012-October/022574.html
>+
>+        * Source/autotools/symbols.filter:
>+
> 2012-11-21  Ryuan Choi  <ryuan.choi@gmail.com>
> 
>         [EFL] Remove unnecessary definition, -DENABLE_SPELLCHECK=1

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Attachments on bug 94987: 160531 | 160541 | 160547 | 168415 | 170536 | 170648 | 170658 | 170659 | 170750 | 170977 | 170978 | 173044 | 173346 | 173360 | 173424 | 173633 | 174436 | 174465 | 175697 | 175826