Include debug name in GraphicsLayerDebugInfo.

Source/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 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 494 matching lines @@
 GraphicsLayerDebugInfo& GraphicsLayer::debugInfo()
 {
     return m_debugInfo;
 }
 
 blink::WebGraphicsLayerDebugInfo* GraphicsLayer::takeDebugInfo()
 {
     return m_debugInfo.clone();
 }
 
+blink::WebGraphicsLayerDebugInfo* GraphicsLayer::takeDebugInfoFor(WebLayer* layer)
+{
+    GraphicsLayerDebugInfo* clone = m_debugInfo.clone();
+    clone->setDebugName(debugName(layer));
+    return clone;
+}
+
 WebLayer* GraphicsLayer::contentsLayerIfRegistered()
 {
     clearContentsLayerIfUnregistered();
     return m_contentsLayer;
 }
 
 double GraphicsLayer::backingStoreMemoryEstimate() const
 {
     if (!drawsContent())
         return 0;
@@ skipping 715 matching lines @@
 #ifndef NDEBUG
 void showGraphicsLayerTree(const WebCore::GraphicsLayer* layer)
 {
     if (!layer)
         return;
 
     String output = layer->layerTreeAsText(WebCore::LayerTreeIncludesDebugInfo);
     fprintf(stderr, "%s\n", output.utf8().data());
 }
 #endif