PPAPI: Make blocking completion callbacks work.

webkit/plugins/ppapi/ppb_file_ref_impl.h

 // Copyright (c) 2012 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 WEBKIT_PLUGINS_PPAPI_PPB_FILE_REF_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_FILE_REF_IMPL_H_
 
 #include <string>
 
 #include "base/file_path.h"
@@ skipping 21 matching lines @@
   static PPB_FileRef_Impl* CreateInternal(PP_Resource pp_file_system,
                                           const std::string& path);
 
   // The returned object will have a refcount of 0 (just like "new").
   static PPB_FileRef_Impl* CreateExternal(PP_Instance instance,
                                           const FilePath& external_file_path,
                                           const std::string& display_name);
 
   // PPB_FileRef_API implementation (not provided by PPB_FileRef_Shared).
   virtual PP_Resource GetParent() OVERRIDE;
-  virtual int32_t MakeDirectory(PP_Bool make_ancestors,
-                                PP_CompletionCallback callback) OVERRIDE;
-  virtual int32_t Touch(PP_Time last_access_time,
-                        PP_Time last_modified_time,
-                        PP_CompletionCallback callback) OVERRIDE;
-  virtual int32_t Delete(PP_CompletionCallback callback) OVERRIDE;
-  virtual int32_t Rename(PP_Resource new_file_ref,
-                         PP_CompletionCallback callback) OVERRIDE;
+  virtual int32_t MakeDirectory(
+      PP_Bool make_ancestors,
+      scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE;
+  virtual int32_t Touch(
+      PP_Time last_access_time,
+      PP_Time last_modified_time,
+      scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE;
+  virtual int32_t Delete(
+      scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE;
+  virtual int32_t Rename(
+      PP_Resource new_file_ref,
+      scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE;
   virtual PP_Var GetAbsolutePath();
 
   PPB_FileSystem_Impl* file_system() const { return file_system_.get(); }
 
   // Returns the system path corresponding to this file. Valid only for
   // external filesystems.
   FilePath GetSystemPath() const;
 
   // Returns the FileSystem API URL corresponding to this file.
   GURL GetFileSystemURL() const;
@@ skipping 16 matching lines @@
   // return the identical string object every time it is requested.
   scoped_refptr<StringVar> external_path_var_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_FileRef_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_FILE_REF_IMPL_H_