Merged FrameView and LayoutBox scrolling in EventHandler.

third_party/WebKit/Source/core/layout/LayoutView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 1007 matching lines @@
     // LayoutView of the main frame is responsible for painting base background.
     if (!document().ownerElement())
         setHasBoxDecorationBackground(true);
 }
 
 bool LayoutView::allowsOverflowClip() const
 {
     return document().settings() && document().settings()->rootLayerScrolls();
 }
 
+ScrollResult LayoutView::scroll(ScrollGranularity granularity, const FloatSize& delta)
+{
+    if (!frameView())
+        return ScrollResult();
+
+    return frame()->applyScrollDelta(granularity, delta, false);
+}
+
 } // namespace blink