Pepper/Flapper: Get rid of unimplemented private file ref stuff and implement proxy.

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 be4821cf5c6a6d1fae52b85431fc8140e750f8c0..e10bb94db0f3ab4ffbad46f557b1160112f9272c 100644
--- a/ppapi/proxy/ppb_flash_file_proxy.h
+++ b/ppapi/proxy/ppb_flash_file_proxy.h
@@ -13,11 +13,13 @@
 #include "ppapi/proxy/interface_proxy.h"
 
 struct PP_FileInfo_Dev;
+struct PPB_Flash_File_FileRef;
 struct PPB_Flash_File_ModuleLocal;
 
 namespace pp {
 namespace proxy {
 
+class HostResource;
 struct SerializedDirEntry;
 
 class PPB_Flash_File_ModuleLocal_Proxy : public InterfaceProxy {
@@ -63,6 +65,32 @@ class PPB_Flash_File_ModuleLocal_Proxy : public InterfaceProxy {
                            int32_t* result);
 };
 
+class PPB_Flash_File_FileRef_Proxy : public InterfaceProxy {
+ public:
+  PPB_Flash_File_FileRef_Proxy(Dispatcher* dispatcher,
+                               const void* target_interface);
+  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);
+
+ private:
+  // Message handlers.
+  void OnMsgOpenFile(const HostResource& host_resource,
+                     int32_t mode,
+                     IPC::PlatformFileForTransit* file_handle,
+                     int32_t* result);
+  void OnMsgQueryFile(const HostResource& host_resource,
+                      PP_FileInfo_Dev* info,
+                      int32_t* result);
+};
+
 }  // namespace proxy
 }  // namespace pp