Remove TiledBacking / TileCache code

Source/WebCore/platform/ScrollView.h

 /*
  * Copyright (C) 2004, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Holger Hans Peter Freyther
  *
  * 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
@@ skipping 98 matching lines @@
     // By default you only receive paint events for the area that is visible. In the case of using a
     // tiled backing store, this function can be set, so that the view paints the entire contents.
     bool paintsEntireContents() const { return m_paintsEntireContents; }
     void setPaintsEntireContents(bool);
 
     // By default, paint events are clipped to the visible area.  If set to
     // false, paint events are no longer clipped.  paintsEntireContents() implies !clipsRepaints().
     bool clipsRepaints() const { return m_clipsRepaints; }
     void setClipsRepaints(bool);
 
-    // By default programmatic scrolling is handled by WebCore and not by the UI application.
-    // In the case of using a tiled backing store, this mode can be set, so that the scroll requests
-    // are delegated to the UI application.
-    bool delegatesScrolling() const { return m_delegatesScrolling; }
-    void setDelegatesScrolling(bool);
-
     // Overridden by FrameView to create custom CSS scrollbars if applicable.
     virtual PassRefPtr<Scrollbar> createScrollbar(ScrollbarOrientation);
 
     // If the prohibits scrolling flag is set, then all scrolling in the view (even programmatic scrolling) is turned off.
     void setProhibitsScrolling(bool b) { m_prohibitsScrolling = b; }
     bool prohibitsScrolling() const { return m_prohibitsScrolling; }
 
     // Whether or not a scroll view will blit visible contents when it is scrolled. Blitting is disabled in situations
     // where it would cause rendering glitches (such as with fixed backgrounds or when the view is partially transparent).
     void setCanBlitOnScroll(bool);
@@ skipping 155 matching lines @@
 
 protected:
     ScrollView();
 
     virtual void repaintContentRectangle(const IntRect&);
     virtual void paintContents(GraphicsContext*, const IntRect& damageRect) = 0;
 
     virtual void paintOverhangAreas(GraphicsContext*, const IntRect& horizontalOverhangArea, const IntRect& verticalOverhangArea, const IntRect& dirtyRect);
 
     virtual void visibleContentsResized() = 0;
-    virtual void delegatesScrollingDidChange() { }
     // These functions are used to create/destroy scrollbars.
     void setHasHorizontalScrollbar(bool);
     void setHasVerticalScrollbar(bool);
 
     virtual void updateScrollCorner();
     virtual void invalidateScrollCornerRect(const IntRect&) OVERRIDE;
 
     // Scroll the content by blitting the pixels.
     virtual bool scrollContentsFastPath(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect);
     // Scroll the content by invalidating everything.
@@ skipping 36 matching lines @@
 
     bool m_inUpdateScrollbars;
     unsigned m_updateScrollbarsPass;
 
     IntPoint m_panScrollIconPoint;
     bool m_drawPanScrollIcon;
     bool m_useFixedLayout;
 
     bool m_paintsEntireContents;
     bool m_clipsRepaints;
-    bool m_delegatesScrolling;
 
     void init();
     void destroy();
 
     IntRect rectToCopyOnScroll() const;
 
     // Called when the scroll position within this view changes.  FrameView overrides this to generate repaint invalidations.
     virtual void repaintFixedElementsAfterScrolling() { }
     virtual void updateFixedElementsAfterScrolling() { }
 
@@ skipping 41 matching lines @@
     ASSERT(!widget || widget->isScrollView());
     return static_cast<const ScrollView*>(widget);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toScrollView(const ScrollView*);
 
 } // namespace WebCore
 
 #endif // ScrollView_h