Added PlatformFileError param to FileSystemMountPointProvider::CreateFileSystemOperation function.

webkit/fileapi/file_system_context.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 "webkit/fileapi/file_system_context.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/stl_util.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 198 matching lines @@
     return NULL;
   }
   FileSystemMountPointProvider* mount_point_provider =
       GetMountPointProvider(url.type());
   if (!mount_point_provider) {
     if (error_code)
       *error_code = base::PLATFORM_FILE_ERROR_FAILED;
     return NULL;
   }
 
+  PlatformFileError fs_error = base::PLATFORM_FILE_OK;
+  FileSystemOperation* operation =
+      mount_point_provider->CreateFileSystemOperation(url, this, &fs_error);
+
   if (error_code)
-    *error_code = base::PLATFORM_FILE_OK;
-  return mount_point_provider->CreateFileSystemOperation(url, this);
+    *error_code = fs_error;
+  return operation;
 }
 
 webkit_blob::FileStreamReader* FileSystemContext::CreateFileStreamReader(
     const FileSystemURL& url,
     int64 offset) {
   if (!url.is_valid())
     return NULL;
   FileSystemMountPointProvider* mount_point_provider =
       GetMountPointProvider(url.type());
   if (!mount_point_provider)
@@ skipping 15 matching lines @@
   if (!task_runners_->io_task_runner()->RunsTasksOnCurrentThread() &&
       task_runners_->io_task_runner()->DeleteSoon(FROM_HERE, this)) {
     return;
   }
   STLDeleteContainerPairSecondPointers(provider_map_.begin(),
                                        provider_map_.end());
   delete this;
 }
 
 }  // namespace fileapi