[FileAPI] Add file open ID and close callback

webkit/plugins/ppapi/plugin_delegate.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_PLUGIN_DELEGATE_H_
 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 467 matching lines @@
 
   // Sends an async IPC to open a file through filesystem API.
   // When a file is successfully opened, |callback| is invoked with
   // PLATFORM_FILE_OK, the opened file handle, and a callback function for
   // notifying that the file is closed. When the users of this function
   // finished using the file, they must close the file handle and then must call
   // the supplied callback function.
   typedef base::Callback<void (base::PlatformFileError)>
       NotifyCloseFileCallback;
   typedef base::Callback<
-      void (base::PlatformFileError,
-            base::PassPlatformFile,
-            quota::QuotaLimitType,
-            const NotifyCloseFileCallback&)> AsyncOpenFileSystemURLCallback;
+      void (base::PlatformFileError error,
+            base::PassPlatformFile file,
+            quota::QuotaLimitType quota_policy,
+            const NotifyCloseFileCallback& close_file_callback)>
+      AsyncOpenFileSystemURLCallback;
   virtual bool AsyncOpenFileSystemURL(
       const GURL& path,
       int flags,
       const AsyncOpenFileSystemURLCallback& callback) = 0;
 
   virtual bool MakeDirectory(
       const GURL& path,
       bool recursive,
       fileapi::FileSystemCallbackDispatcher* dispatcher) = 0;
   virtual bool Query(const GURL& path,
@@ skipping 165 matching lines @@
       bool should_close_source) const = 0;
 
   // Returns true if running in process.
   virtual bool IsRunningInProcess(PP_Instance instance) const = 0;
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_