Remove TiledBacking / TileCache code

Source/WebCore/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 680 matching lines @@
         frame->document()->mediaVolumeDidChange();
     }
 }
 
 void Page::setPageScaleFactor(float scale, const IntPoint& origin)
 {
     Document* document = mainFrame()->document();
     FrameView* view = document->view();
 
     if (scale == m_pageScaleFactor) {
-        if (view && (view->scrollPosition() != origin || view->delegatesScrolling()))
+        if (view && view->scrollPosition() != origin)
             view->setScrollPosition(origin);
         return;
     }
 
     m_pageScaleFactor = scale;
 
 #if USE(ACCELERATED_COMPOSITING)
     mainFrame()->deviceOrPageScaleFactorChanged();
 #endif
 
@@ skipping 642 matching lines @@
     , plugInClient(0)
     , validationMessageClient(0)
 {
 }
 
 Page::PageClients::~PageClients()
 {
 }
 
 } // namespace WebCore