[PPAPI] Compositor API implementation

ppapi/proxy/compositor_layer_resource.h

 // Copyright 2014 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 PPAPI_PROXY_COMPOSITOR_LAYER_RESOURCE_H_
 #define PPAPI_PROXY_COMPOSITOR_LAYER_RESOURCE_H_
 
 #include <map>
 #include <vector>
 
 #include "ppapi/c/ppb_compositor_layer.h"
+#include "ppapi/proxy/compositor_resource.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/ppapi_proxy_export.h"
 #include "ppapi/thunk/ppb_compositor_layer_api.h"
 
 namespace ppapi {
 namespace proxy {
 
 class PPAPI_PROXY_EXPORT CompositorLayerResource
     : public PluginResource,
       public thunk::PPB_CompositorLayer_API {
  public:
   CompositorLayerResource(Connection connection,
-                     PP_Instance instance);
+                          PP_Instance instance,
+                          base::WeakPtr<CompositorResource::Layer> layer);
 
  private:
   virtual ~CompositorLayerResource();
 
   // Resource overrides:
   virtual thunk::PPB_CompositorLayer_API* AsPPB_CompositorLayer_API() OVERRIDE;
 
   // thunk::PPB_Compositor_API overrides:
   virtual int32_t SetColor(uint8_t red,
                            uint8_t green,
                            uint8_t blue,
                            uint8_t alpha,
                            const struct PP_Size* size) OVERRIDE;
   virtual int32_t SetTexture(
       PP_Resource context,
       uint32_t texture,
       const struct PP_Size* size,
       const scoped_refptr<ppapi::TrackedCallback>& callback) OVERRIDE;
   virtual int32_t SetImage(
       PP_Resource image_data,
       const struct PP_Size* size,
       const scoped_refptr<ppapi::TrackedCallback>& callback) OVERRIDE;
   virtual int32_t SetClipRect(const struct PP_Rect* rect) OVERRIDE;
   virtual int32_t SetTransform(const float matrix[16]) OVERRIDE;
   virtual int32_t SetOpacity(uint8_t opacity) OVERRIDE;
   virtual int32_t SetBlendMode(PP_BlendMode mode) OVERRIDE;
   virtual int32_t SetSourceRect(const struct PP_FloatRect* rect) OVERRIDE;
   virtual int32_t SetPremultipliedAlpha(PP_Bool premult) OVERRIDE;
 
+  base::WeakPtr<CompositorResource::Layer> layer_;
+
   DISALLOW_COPY_AND_ASSIGN(CompositorLayerResource);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_COMPOSITOR_LAYER_RESOURCE_H_