Remove some more frame-level scrolling machinery.

sky/engine/core/events/MouseRelatedEvent.cpp

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 20 matching lines @@
 #include "core/rendering/RenderObject.h"
 
 namespace blink {
 
 MouseRelatedEvent::MouseRelatedEvent()
     : m_isSimulated(false)
     , m_hasCachedRelativePosition(false)
 {
 }
 
-static LayoutSize contentsScrollOffset(AbstractView* abstractView)
-{
-    if (!abstractView)
-        return LayoutSize();
-    LocalFrame* frame = abstractView->frame();
-    if (!frame)
-        return LayoutSize();
-    FrameView* frameView = frame->view();
-    if (!frameView)
-        return LayoutSize();
-    float scaleFactor = frame->pageZoomFactor();
-    return LayoutSize(frameView->scrollX() / scaleFactor, frameView->scrollY() / scaleFactor);
-}
-
 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)
     : UIEventWithKeyState(eventType, canBubble, cancelable, abstractView, detail, ctrlKey, altKey, shiftKey, metaKey)
     , m_screenLocation(screenLocation)
     , m_movementDelta(movementDelta)
     , m_isSimulated(isSimulated)
 {
     LayoutPoint adjustedPageLocation;
@@ skipping 27 matching lines @@
 
     computePageLocation();
     m_hasCachedRelativePosition = false;
 }
 
 void MouseRelatedEvent::initCoordinates(const LayoutPoint& clientLocation)
 {
     // Set up initial values for coordinates.
     // Correct values are computed lazily, see computeRelativePosition.
     m_clientLocation = clientLocation;
-    m_pageLocation = clientLocation + contentsScrollOffset(view());
+    // FIXME(sky): We don't need this anymore?
+    m_pageLocation = clientLocation;
 
     m_layerLocation = m_pageLocation;
     m_offsetLocation = m_pageLocation;
 
     computePageLocation();
     m_hasCachedRelativePosition = false;
 }
 
 static float pageZoomFactor(const UIEvent* event)
 {
@@ skipping 111 matching lines @@
     // See Microsoft documentation and <http://www.quirksmode.org/dom/w3c_events.html>.
     return m_clientLocation.y();
 }
 
 void MouseRelatedEvent::trace(Visitor* visitor)
 {
     UIEventWithKeyState::trace(visitor);
 }
 
 } // namespace blink