Remove all uses of the global Dispatcher Get function.

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/serialized_structs.h"
 
 struct PPB_ImageData;
 
 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 const void* GetSourceInterface() const;
-  virtual InterfaceID GetInterfaceId() const;
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
  private:
   // Message handlers.
   void OnMsgGetNativeImageDataFormat(int32* result);
   void OnMsgIsImageDataFormatSupported(int32 format, PP_Bool* result);
   void OnMsgCreate(PP_Instance instance,
                    int32_t format,
                    const PP_Size& size,
                    PP_Bool init_to_zero,
                    HostResource* result,
                    std::string* image_data_desc,
                    ImageHandle* result_image_handle);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PPB_IMAGE_DATA_PROXY_H_