Plumb debug name via debug info

cc/layers/layer.h

 // Copyright 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_LAYERS_LAYER_H_
 #define CC_LAYERS_LAYER_H_
 
 #include <set>
 #include <string>
 
@@ skipping 344 matching lines @@
   virtual bool DrawsContent() const;
   virtual void SavePaintProperties();
   // Returns true iff any resources were updated that need to be committed.
   virtual bool Update(ResourceUpdateQueue* queue,
                       const OcclusionTracker* occlusion);
   virtual bool NeedMoreUpdates();
   virtual void SetIsMask(bool is_mask) {}
   virtual void ReduceMemoryUsage() {}
   virtual void OnOutputSurfaceCreated() {}
 
-  virtual std::string DebugName();
   virtual scoped_refptr<base::debug::ConvertableToTraceFormat> TakeDebugInfo();
 
   void SetLayerClient(LayerClient* client) { client_ = client; }
 
   virtual void PushPropertiesTo(LayerImpl* layer);
 
   void CreateRenderSurface();
   void ClearRenderSurface();
 
   // The contents scale converts from logical, non-page-scaled pixels to target
@@ skipping 245 matching lines @@
   DrawProperties<Layer> draw_properties_;
 
   PaintProperties paint_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_H_