Deprecate media_task_runner() from FileSystemTaskRunners

webkit/browser/fileapi/file_system_task_runners.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_BROWSER_FILEAPI_FILE_SYSTEM_TASK_RUNNERS_H_
 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_TASK_RUNNERS_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "webkit/storage/webkit_storage_export.h"
 
 namespace base {
-class SequencedTaskRunner;
 class SingleThreadTaskRunner;
 }  // namespace
 
 namespace fileapi {
 
-WEBKIT_STORAGE_EXPORT extern const char kMediaTaskRunnerName[];
-
 // This class holds task runners used for filesystem related stuff.
 class WEBKIT_STORAGE_EXPORT FileSystemTaskRunners {
  public:
   FileSystemTaskRunners(
       base::SingleThreadTaskRunner* io_task_runner,
-      base::SingleThreadTaskRunner* file_task_runner,
-      base::SequencedTaskRunner* media_task_runner);
+      base::SingleThreadTaskRunner* file_task_runner);
 
   ~FileSystemTaskRunners();
 
   static scoped_ptr<FileSystemTaskRunners> CreateMockTaskRunners();
 
   base::SingleThreadTaskRunner* io_task_runner() {
     return io_task_runner_.get();
   }
 
   base::SingleThreadTaskRunner* file_task_runner() {
     return file_task_runner_.get();
   }
 
-  base::SequencedTaskRunner* media_task_runner() {
-    return media_task_runner_.get();
-  }
-
  private:
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
-  scoped_refptr<base::SequencedTaskRunner> media_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemTaskRunners);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_TASK_RUNNERS_H_