Remove lots of code from the WebWidget/WebView/WebFrame layer.

sky/engine/platform/scroll/ScrollableArea.h

 /*
  * Copyright (C) 2008, 2011 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
@@ skipping 65 matching lines @@
     // Functions for controlling if you can scroll past the end of the document.
     bool constrainsScrollingToContentEdge() const { return m_constrainsScrollingToContentEdge; }
     void setConstrainsScrollingToContentEdge(bool constrainsScrollingToContentEdge) { m_constrainsScrollingToContentEdge = constrainsScrollingToContentEdge; }
 
     void setVerticalScrollElasticity(ScrollElasticity scrollElasticity) { m_verticalScrollElasticity = scrollElasticity; }
     ScrollElasticity verticalScrollElasticity() const { return static_cast<ScrollElasticity>(m_verticalScrollElasticity); }
 
     void setHorizontalScrollElasticity(ScrollElasticity scrollElasticity) { m_horizontalScrollElasticity = scrollElasticity; }
     ScrollElasticity horizontalScrollElasticity() const { return static_cast<ScrollElasticity>(m_horizontalScrollElasticity); }
 
-    bool inLiveResize() const { return m_inLiveResize; }

[eseidel, 2014/12/02 08:25:05]

I guess we don't resize on mobile? :)  I suspect we'll end up adding back some
sort of live resize optimiazations, but I am also certain it's gonna look
differnet than todays.

-    void willStartLiveResize();
-    void willEndLiveResize();
-
     void mouseEnteredContentArea() const;
     void mouseExitedContentArea() const;
     void mouseMovedInContentArea() const;
     void mouseEnteredScrollbar(Scrollbar*) const;
     void mouseExitedScrollbar(Scrollbar*) const;
     void contentAreaDidShow() const;
     void contentAreaDidHide() const;
 
     void finishCurrentScrollAnimations() const;
 
@@ skipping 110 matching lines @@
     IntRect m_horizontalBarDamage;
     IntRect m_verticalBarDamage;
 
     struct ScrollableAreaAnimators {
         OwnPtr<ScrollAnimator> scrollAnimator;
     };
 
     mutable OwnPtr<ScrollableAreaAnimators> m_animators;
     unsigned m_constrainsScrollingToContentEdge : 1;
 
-    unsigned m_inLiveResize : 1;
-
     unsigned m_verticalScrollElasticity : 2; // ScrollElasticity
     unsigned m_horizontalScrollElasticity : 2; // ScrollElasticity
 
     unsigned m_scrollbarOverlayStyle : 2; // ScrollbarOverlayStyle
 
     unsigned m_scrollOriginChanged : 1;
 
     // There are 8 possible combinations of writing mode and direction. Scroll origin will be non-zero in the x or y axis
     // if there is any reversed direction or writing-mode. The combinations are:
     // writing-mode / direction     scrollOrigin.x() set    scrollOrigin.y() set
     // horizontal-tb / ltr          NO                      NO
     // horizontal-tb / rtl          YES                     NO
     // horizontal-bt / ltr          NO                      YES
     // horizontal-bt / rtl          YES                     YES
     // vertical-lr / ltr            NO                      NO
     // vertical-lr / rtl            NO                      YES
     // vertical-rl / ltr            YES                     NO
     // vertical-rl / rtl            YES                     YES
     IntPoint m_scrollOrigin;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_PLATFORM_SCROLL_SCROLLABLEAREA_H_