[FileAPI] Add file open ID and close callback

content/common/fileapi/file_system_dispatcher.cc

 // 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.
 
 #include "content/common/fileapi/file_system_dispatcher.h"
 
 #include "base/file_util.h"
 #include "base/process.h"
 #include "content/common/child_thread.h"
 #include "content/common/fileapi/file_system_messages.h"
@@ skipping 229 matching lines @@
   if (!ChildThread::current()->Send(
           new FileSystemHostMsg_OpenFile(
               request_id, file_path, file_flags))) {
     dispatchers_.Remove(request_id);  // destroys |dispatcher|
     return false;
   }
 
   return true;
 }
 
-bool FileSystemDispatcher::NotifyCloseFile(const GURL& file_path) {
+bool FileSystemDispatcher::NotifyCloseFile(int file_open_id) {
   return ChildThread::current()->Send(
-      new FileSystemHostMsg_NotifyCloseFile(file_path));
+      new FileSystemHostMsg_NotifyCloseFile(file_open_id));
 }
 
 bool FileSystemDispatcher::CreateSnapshotFile(
     const GURL& file_path,
     fileapi::FileSystemCallbackDispatcher* dispatcher) {
   int request_id = dispatchers_.Add(dispatcher);
   if (!ChildThread::current()->Send(
           new FileSystemHostMsg_CreateSnapshotFile(
               request_id, file_path))) {
     dispatchers_.Remove(request_id);  // destroys |dispatcher|
@@ skipping 69 matching lines @@
       dispatchers_.Lookup(request_id);
   DCHECK(dispatcher);
   dispatcher->DidWrite(bytes, complete);
   if (complete)
     dispatchers_.Remove(request_id);
 }
 
 void FileSystemDispatcher::OnDidOpenFile(
     int request_id,
     IPC::PlatformFileForTransit file,
+    int file_open_id,
     quota::QuotaLimitType quota_policy) {
   fileapi::FileSystemCallbackDispatcher* dispatcher =
       dispatchers_.Lookup(request_id);
   DCHECK(dispatcher);
   dispatcher->DidOpenFile(IPC::PlatformFileForTransitToPlatformFile(file),
+                          file_open_id,
                           quota_policy);
   dispatchers_.Remove(request_id);
 }
 
 }  // namespace content