Change webkit/{fileapi,quota} code to use TaskRunner.

webkit/fileapi/file_system_mount_point_provider.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_FILEAPI_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/platform_file.h"
 #include "webkit/fileapi/file_system_types.h"
 
 class GURL;
 
 namespace base {
-class MessageLoopProxy;
+class SequencedTaskRunner;
 }
 
 namespace webkit_blob {
 class FileReader;
 }
 
 namespace fileapi {
 
 class FileSystemContext;
 class FileSystemFileUtil;
@@ skipping 54 matching lines @@
 
   // Returns a new instance of the specialized FileSystemOperation for this
   // mount point based on the given triplet of |origin_url|, |file_system_type|
   // and |virtual_path|.
   // This method is usually dispatched by
   // FileSystemContext::CreateFileSystemOperation.
   virtual FileSystemOperationInterface* CreateFileSystemOperation(
       const GURL& origin_url,
       FileSystemType file_system_type,
       const FilePath& virtual_path,
-      base::MessageLoopProxy* file_proxy,
+      base::SequencedTaskRunner* task_runner,

[michaeln, 2012/04/27 22:31:08]

if 'context' had an accessor for file_task_runner(), maybe the param could be
removed from this interface (ditto below)

[kinuko, 2012/05/04 19:05:35]

Done.

       FileSystemContext* context) const = 0;
 
   // Creates a new file reader for a given filesystem URL |url| with a offset
   // |offset|.
   // The returned object must be owned and managed by the caller.
   // This method itself does *not* check if the given path exists and is a
   // regular file.
   virtual webkit_blob::FileReader* CreateFileReader(
     const GURL& url,
     int64 offset,
-    base::MessageLoopProxy* file_proxy,
+    base::SequencedTaskRunner* task_runner,
     FileSystemContext* context) const = 0;
 };
 
 // An interface to control external file system access permissions.
 class ExternalFileSystemMountPointProvider
     : public FileSystemMountPointProvider {
  public:
   // Grant access to all external file system from extension identified with
   // |extension_id|.
   virtual void GrantFullAccessToExtension(const std::string& extension_id) = 0;
@@ skipping 16 matching lines @@
   virtual void RemoveMountPoint(const FilePath& mount_point) = 0;
   // Gets virtual path by known filesystem path. Returns false when filesystem
   // path is not exposed by this provider.
   virtual bool GetVirtualPath(const FilePath& file_system_path,
                               FilePath* virtual_path) = 0;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_