Remove PLATFORM(BLACKBERRY) support.

Source/WebCore/rendering/RenderLayerBacking.cpp

 /*
  * Copyright (C) 2009, 2010, 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 1603 matching lines @@
     
     return m_graphicsLayer.get();
 }
 
 bool RenderLayerBacking::paintsIntoWindow() const
 {
     if (m_usingTiledCacheLayer)
         return false;
 
     if (m_owningLayer->isRootLayer()) {
-#if PLATFORM(BLACKBERRY)
-        if (compositor()->inForcedCompositingMode())
-            return false;
-#endif
-
         return compositor()->rootLayerAttachment() != RenderLayerCompositor::RootLayerAttachedViaEnclosingFrame;
     }
     
     return false;
 }
 
 void RenderLayerBacking::setRequiresOwnBackingStore(bool requiresOwnBacking)
 {
     if (requiresOwnBacking == m_requiresOwnBackingStore)
         return;
@@ skipping 479 matching lines @@
 
     if (m_layerForVerticalScrollbar)
         backingMemory += m_layerForVerticalScrollbar->backingStoreMemoryEstimate();
 
     if (m_layerForScrollCorner)
         backingMemory += m_layerForScrollCorner->backingStoreMemoryEstimate();
     
     return backingMemory;
 }
 
-#if PLATFORM(BLACKBERRY)
-bool RenderLayerBacking::contentsVisible(const GraphicsLayer*, const IntRect& localContentRect) const
-{
-    Frame* frame = renderer()->frame();
-    FrameView* view = frame ? frame->view() : 0;
-    if (!view)
-        return false;
-
-    IntRect visibleContentRect(view->visibleContentRect());
-    FloatQuad absoluteContentQuad = renderer()->localToAbsoluteQuad(FloatRect(localContentRect));
-    return absoluteContentQuad.enclosingBoundingBox().intersects(visibleContentRect);
-}
-#endif
-
 void RenderLayerBacking::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Rendering);
     info.addWeakPointer(m_owningLayer);
     info.addMember(m_ancestorClippingLayer, "ancestorClippingLayer");
     info.addMember(m_contentsContainmentLayer, "contentsContainmentLayer");
     info.addMember(m_graphicsLayer, "graphicsLayer");
     info.addMember(m_foregroundLayer, "foregroundLayer");
     info.addMember(m_backgroundLayer, "backgroundLayer");
     info.addMember(m_childContainmentLayer, "childContainmentLayer");
     info.addMember(m_maskLayer, "maskLayer");
     info.addMember(m_layerForHorizontalScrollbar, "layerForHorizontalScrollbar");
     info.addMember(m_layerForVerticalScrollbar, "layerForVerticalScrollbar");
     info.addMember(m_layerForScrollCorner, "layerForScrollCorner");
     info.addMember(m_scrollingLayer, "scrollingLayer");
     info.addMember(m_scrollingContentsLayer, "scrollingContentsLayer");
 }
 
 } // namespace WebCore