Remove TiledBacking / TileCache code

Source/WebCore/page/Settings.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011, 2012 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 478 matching lines @@
     if (m_storageBlockingPolicy == enabled)
         return;
 
     m_storageBlockingPolicy = enabled;
     m_page->storageBlockingStateChanged();
 }
 
 void Settings::setTiledBackingStoreEnabled(bool enabled)
 {
     m_tiledBackingStoreEnabled = enabled;
-#if USE(TILED_BACKING_STORE)
-    if (m_page->mainFrame())
-        m_page->mainFrame()->setTiledBackingStoreEnabled(enabled);
-#endif
 }
 
 void Settings::setScrollingPerformanceLoggingEnabled(bool enabled)
 {
     m_scrollingPerformanceLoggingEnabled = enabled;
 
     if (m_page->mainFrame() && m_page->mainFrame()->view())
         m_page->mainFrame()->view()->setScrollingPerformanceLoggingEnabled(enabled);
 }
     
@@ skipping 26 matching lines @@
 void Settings::setHiddenPageDOMTimerThrottlingEnabled(bool flag)
 {
     if (m_hiddenPageDOMTimerThrottlingEnabled == flag)
         return;
     m_hiddenPageDOMTimerThrottlingEnabled = flag;
     m_page->hiddenPageDOMTimerThrottlingStateChanged();
 }
 #endif
 
 } // namespace WebCore