Use macros to define pepper interfaces

ppapi/proxy/ppb_flash_file_proxy.h

Index: ppapi/proxy/ppb_flash_file_proxy.h
diff --git a/ppapi/proxy/ppb_flash_file_proxy.h b/ppapi/proxy/ppb_flash_file_proxy.h
index ee8d05de3aa54b5bba18468d982bacae4567ae8e..b0ebb6329c92fb52ba2565cef48c94303842e2da 100644
--- a/ppapi/proxy/ppb_flash_file_proxy.h
+++ b/ppapi/proxy/ppb_flash_file_proxy.h
@@ -27,16 +27,11 @@ struct SerializedDirEntry;
 
 class PPB_Flash_File_ModuleLocal_Proxy : public InterfaceProxy {
  public:
-  PPB_Flash_File_ModuleLocal_Proxy(Dispatcher* dispatcher,
-                                   const void* target_interface);
+  PPB_Flash_File_ModuleLocal_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_Flash_File_ModuleLocal_Proxy();
 
   static const Info* GetInfo();
 
-  const PPB_Flash_File_ModuleLocal* ppb_flash_file_module_local_target() const {
-    return static_cast<const PPB_Flash_File_ModuleLocal*>(target_interface());
-  }
-
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
@@ -66,20 +61,22 @@ class PPB_Flash_File_ModuleLocal_Proxy : public InterfaceProxy {
                            const std::string& path,
                            std::vector<SerializedDirEntry>* entries,
                            int32_t* result);
+
+  // When this proxy is in the host side, this value caches the interface
+  // pointer so we don't have to retrieve it from the dispatcher each time.
+  // In the plugin, this value is always NULL.
+  const PPB_Flash_File_ModuleLocal* ppb_flash_file_module_local_impl_;
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_Flash_File_ModuleLocal_Proxy);
 };
 
 class PPB_Flash_File_FileRef_Proxy : public InterfaceProxy {
  public:
-  PPB_Flash_File_FileRef_Proxy(Dispatcher* dispatcher,
-                               const void* target_interface);
+  PPB_Flash_File_FileRef_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_Flash_File_FileRef_Proxy();
 
   static const Info* GetInfo();
 
-  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);
 
@@ -92,6 +89,13 @@ class PPB_Flash_File_FileRef_Proxy : public InterfaceProxy {
   void OnMsgQueryFile(const ppapi::HostResource& host_resource,
                       PP_FileInfo* info,
                       int32_t* result);
+
+  // When this proxy is in the host side, this value caches the interface
+  // pointer so we don't have to retrieve it from the dispatcher each time.
+  // In the plugin, this value is always NULL.
+  const PPB_Flash_File_FileRef* ppb_flash_file_fileref_impl_;
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_Flash_File_FileRef_Proxy);
 };
 
 }  // namespace proxy