| Index: Source/core/events/MouseRelatedEvent.cpp | 
| diff --git a/Source/core/events/MouseRelatedEvent.cpp b/Source/core/events/MouseRelatedEvent.cpp | 
| index 948adcf2ce9f8950272134d1fbfb0e3e975fac84..ec5a22845e6890193b46323fc52144ca159d20cd 100644 | 
| --- a/Source/core/events/MouseRelatedEvent.cpp | 
| +++ b/Source/core/events/MouseRelatedEvent.cpp | 
| @@ -53,9 +53,9 @@ static LayoutSize contentsScrollOffset(AbstractView* abstractView) | 
| } | 
|  | 
| MouseRelatedEvent::MouseRelatedEvent(const AtomicString& eventType, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView> abstractView, | 
| -                                     int detail, const IntPoint& screenLocation, const IntPoint& windowLocation, | 
| -                                     const IntPoint& movementDelta, | 
| -                                     bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool isSimulated) | 
| +    int detail, const IntPoint& screenLocation, const IntPoint& rootFrameLocation, | 
| +    const IntPoint& movementDelta, | 
| +    bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool isSimulated) | 
| : UIEventWithKeyState(eventType, canBubble, cancelable, abstractView, detail, ctrlKey, altKey, shiftKey, metaKey) | 
| , m_screenLocation(screenLocation) | 
| , m_movementDelta(movementDelta) | 
| @@ -68,7 +68,7 @@ MouseRelatedEvent::MouseRelatedEvent(const AtomicString& eventType, bool canBubb | 
| if (frame && !isSimulated) { | 
| if (FrameView* frameView = frame->view()) { | 
| scrollPosition = frameView->scrollPosition(); | 
| -            adjustedPageLocation = frameView->windowToContents(windowLocation); | 
| +            adjustedPageLocation = frameView->rootFrameToContents(rootFrameLocation); | 
| float scaleFactor = 1 / frame->pageZoomFactor(); | 
| if (scaleFactor != 1.0f) { | 
| adjustedPageLocation.scale(scaleFactor, scaleFactor); | 
|  |