Move host resource from the proxy to the shared_impl.

ppapi/proxy/ppb_image_data_proxy.h

 // Copyright (c) 2011 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_PPB_IMAGE_DATA_PROXY_H_
 #define PPAPI_PPB_IMAGE_DATA_PROXY_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/serialized_structs.h"
 #include "ppapi/shared_impl/image_data_impl.h"
 #include "ppapi/thunk/ppb_image_data_api.h"
 
 struct PPB_ImageData;
 class TransportDIB;
 
+namespace ppapi {
+class HostResource;
+}
+
 namespace skia {
 class PlatformCanvas;
 }
 
 namespace pp {
 namespace proxy {
 
-class HostResource;
-
 class PPB_ImageData_Proxy : public InterfaceProxy {
  public:
   PPB_ImageData_Proxy(Dispatcher* dispatcher, const void* target_interface);
   virtual ~PPB_ImageData_Proxy();
 
   static const Info* GetInfo();
 
   const PPB_ImageData* ppb_image_data_target() const {
     return static_cast<const PPB_ImageData*>(target_interface());
   }
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 };
 
 class ImageData : public PluginResource,
                   public ::ppapi::thunk::PPB_ImageData_API,
                   public ppapi::ImageDataImpl {
  public:
-  ImageData(const HostResource& resource,
+  ImageData(const ppapi::HostResource& resource,
             const PP_ImageDataDesc& desc,
             ImageHandle handle);
   virtual ~ImageData();
 
   // ResourceObjectBase overrides.
   virtual ::ppapi::thunk::PPB_ImageData_API* AsPPB_ImageData_API() OVERRIDE;
 
-  // Resource overrides.
-  virtual ImageData* AsImageData() OVERRIDE;
-
   // PPB_ImageData API.
   virtual PP_Bool Describe(PP_ImageDataDesc* desc) OVERRIDE;
   virtual void* Map() OVERRIDE;
   virtual void Unmap() OVERRIDE;
   virtual int32_t GetSharedMemory(int* handle, uint32_t* byte_count) OVERRIDE;
 
   skia::PlatformCanvas* mapped_canvas() const { return mapped_canvas_.get(); }
 
   const PP_ImageDataDesc& desc() const { return desc_; }
 
   static const ImageHandle NullHandle;
   static ImageHandle HandleFromInt(int32_t i);
 
  private:
   PP_ImageDataDesc desc_;
 
   scoped_ptr<TransportDIB> transport_dib_;
 
   // Null when the image isn't mapped.
   scoped_ptr<skia::PlatformCanvas> mapped_canvas_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageData);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PPB_IMAGE_DATA_PROXY_H_