Move host resource from the proxy to the shared_impl.

ppapi/proxy/ppb_flash_file_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_FLASH_FILE_PROXY_H_
 #define PPAPI_PPB_FLASH_FILE_PROXY_H_
 
 #include <string>
 #include <vector>
 
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/proxy/interface_proxy.h"
 
 struct PP_FileInfo;
 struct PPB_Flash_File_FileRef;
 struct PPB_Flash_File_ModuleLocal;
 
+namespace ppapi {
+class HostResource;
+}
+
 namespace pp {
 namespace proxy {
 
-class HostResource;
 struct SerializedDirEntry;
 
 class PPB_Flash_File_ModuleLocal_Proxy : public InterfaceProxy {
  public:
   PPB_Flash_File_ModuleLocal_Proxy(Dispatcher* dispatcher,
                                    const void* target_interface);
   virtual ~PPB_Flash_File_ModuleLocal_Proxy();
 
   static const Info* GetInfo();
 
@@ skipping 42 matching lines @@
 
   const PPB_Flash_File_FileRef* ppb_flash_file_module_local_target() const {
     return static_cast<const PPB_Flash_File_FileRef*>(target_interface());
   }
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
  private:
   // Message handlers.
-  void OnMsgOpenFile(const HostResource& host_resource,
+  void OnMsgOpenFile(const ppapi::HostResource& host_resource,
                      int32_t mode,
                      IPC::PlatformFileForTransit* file_handle,
                      int32_t* result);
-  void OnMsgQueryFile(const HostResource& host_resource,
+  void OnMsgQueryFile(const ppapi::HostResource& host_resource,
                       PP_FileInfo* info,
                       int32_t* result);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PPB_FLASH_FILE_PROXY_H_