Pepper: Move FileRef to the "new" resource proxy.

ppapi/thunk/resource_creation_api.h

Index: ppapi/thunk/resource_creation_api.h
diff --git a/ppapi/thunk/resource_creation_api.h b/ppapi/thunk/resource_creation_api.h
index be81aa65ddbbc7f9ed1265aaa87fa61ee0aac197..ae080bb1b1100207dcbb721cadb7f52bad147fc6 100644
--- a/ppapi/thunk/resource_creation_api.h
+++ b/ppapi/thunk/resource_creation_api.h
@@ -33,7 +33,7 @@ struct PP_Size;
 
 namespace ppapi {
 
-struct PPB_FileRef_CreateInfo;
+struct FileRefCreateInfo;
 struct URLRequestInfoData;
 struct URLResponseInfoData;
 
@@ -49,15 +49,9 @@ class ResourceCreationAPI {
   virtual ~ResourceCreationAPI() {}
 
   virtual PP_Resource CreateFileIO(PP_Instance instance) = 0;
-  virtual PP_Resource CreateFileRef(PP_Instance instance,
-                                    PP_Resource file_system,
-                                    const char* path) = 0;
-  // Like the above version but takes a serialized file ref. The resource
-  // in the serialized file ref is passed into this, which takes ownership of
-  // the reference. In the proxy, the return value will be a plugin resource.
-  // In the impl, the return value will be the same resource ID.
   virtual PP_Resource CreateFileRef(
-      const PPB_FileRef_CreateInfo& serialized) = 0;
+      PP_Instance instance,
+      const FileRefCreateInfo& serialized) = 0;
   virtual PP_Resource CreateFileSystem(PP_Instance instance,
                                        PP_FileSystemType type) = 0;
   virtual PP_Resource CreateIMEInputEvent(PP_Instance instance,