android: Migrate old content readback to use async readback (and delegated renderer)

content/browser/renderer_host/compositor_impl_android.h

Index: content/browser/renderer_host/compositor_impl_android.h
diff --git a/content/browser/renderer_host/compositor_impl_android.h b/content/browser/renderer_host/compositor_impl_android.h
index c5dfd27ef7408e64b74daea79b49b00a090b3728..54e75fb3ec8622a7610afd1cf2641fb65c227bd1 100644
--- a/content/browser/renderer_host/compositor_impl_android.h
+++ b/content/browser/renderer_host/compositor_impl_android.h
@@ -23,7 +23,7 @@ namespace cc {
 class InputHandlerClient;
 class Layer;
 class LayerTreeHost;
-class ScopedUIResource;
+class UIResourceClient;
 }
 
 namespace content {
@@ -61,15 +61,6 @@ class CONTENT_EXPORT CompositorImpl
   virtual cc::UIResourceId GenerateUIResource(
       const cc::UIResourceBitmap& bitmap) OVERRIDE;
   virtual void DeleteUIResource(cc::UIResourceId resource_id) OVERRIDE;
-  virtual GLuint GenerateTexture(gfx::JavaBitmap& bitmap) OVERRIDE;
-  virtual GLuint GenerateCompressedTexture(
-      gfx::Size& size, int data_size, void* data) OVERRIDE;
-  virtual void DeleteTexture(GLuint texture_id) OVERRIDE;
-  virtual bool CopyTextureToBitmap(GLuint texture_id,
-                                   gfx::JavaBitmap& bitmap) OVERRIDE;
-  virtual bool CopyTextureToBitmap(GLuint texture_id,
-                                   const gfx::Rect& sub_rect,
-                                   gfx::JavaBitmap& bitmap) OVERRIDE;
 
   // LayerTreeHostClient implementation.
   virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
@@ -115,7 +106,7 @@ class CONTENT_EXPORT CompositorImpl
 
   scoped_refptr<cc::ContextProvider> null_offscreen_context_provider_;
 
-  typedef base::ScopedPtrHashMap<cc::UIResourceId, cc::ScopedUIResource>
+  typedef base::ScopedPtrHashMap<cc::UIResourceId, cc::UIResourceClient>
         UIResourceMap;
   UIResourceMap ui_resource_map_;