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

webkit/fileapi/sandbox_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_SANDBOX_MOUNT_POINT_PROVIDER_H_
 #define WEBKIT_FILEAPI_SANDBOX_MOUNT_POINT_PROVIDER_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/fileapi/file_system_mount_point_provider.h"
 #include "webkit/fileapi/file_system_options.h"
 #include "webkit/fileapi/file_system_quota_util.h"
 
 namespace base {
-class MessageLoopProxy;
+class SingleThreadTaskRunner;
 }
 
 namespace quota {
 class QuotaManagerProxy;
 }
 
 namespace fileapi {
 
 class ObfuscatedFileUtil;
 
@@ skipping 23 matching lines @@
   };
 
   // The legacy [pre-obfuscation] FileSystem directory name, kept around for
   // migration and migration testing.
   static const FilePath::CharType kOldFileSystemDirectory[];
   // The FileSystem directory name.
   static const FilePath::CharType kNewFileSystemDirectory[];
   // Where we move the old filesystem directory if migration fails.
   static const FilePath::CharType kRenamedOldFileSystemDirectory[];
 
+  // |file_task_runner| is used to validate the root directory and delete the
+  // obfuscated file util.
   SandboxMountPointProvider(
-      scoped_refptr<base::MessageLoopProxy> file_message_loop,
+      base::SingleThreadTaskRunner* file_task_runner,
       const FilePath& profile_path,
       const FileSystemOptions& file_system_options);
   virtual ~SandboxMountPointProvider();
 
   // FileSystemMountPointProvider overrides.
   virtual void ValidateFileSystemRoot(
       const GURL& origin_url,
       FileSystemType type,
       bool create,
       const ValidateFileSystemCallback& callback) OVERRIDE;
   virtual FilePath GetFileSystemRootPathOnFileThread(
       const GURL& origin_url,
       FileSystemType type,
       const FilePath& virtual_path,
       bool create) OVERRIDE;
   virtual bool IsAccessAllowed(
       const GURL& origin_url,
       FileSystemType type,
       const FilePath& virtual_path) OVERRIDE;
   virtual bool IsRestrictedFileName(const FilePath& filename) const OVERRIDE;
   virtual std::vector<FilePath> GetRootDirectories() const OVERRIDE;
   virtual FileSystemFileUtil* GetFileUtil() OVERRIDE;
   virtual FilePath GetPathForPermissionsCheck(const FilePath& virtual_path)
       const OVERRIDE;
   virtual FileSystemOperationInterface* CreateFileSystemOperation(
       const GURL& origin_url,
       FileSystemType file_system_type,
       const FilePath& virtual_path,
-      base::MessageLoopProxy* file_proxy,
+      base::TaskRunner* task_runner,
       FileSystemContext* context) const OVERRIDE;
   virtual webkit_blob::FileReader* CreateFileReader(
     const GURL& url,
     int64 offset,
-    base::MessageLoopProxy* file_proxy,
+    base::TaskRunner* task_runner,
     FileSystemContext* context) const OVERRIDE;
 
   FilePath old_base_path() const;
   FilePath new_base_path() const;
   FilePath renamed_old_base_path() const;
 
   // Returns an origin enumerator of this provider.
   // This method can only be called on the file thread.
   OriginEnumerator* CreateOriginEnumerator() const;
 
@@ skipping 56 matching lines @@
       const GURL& origin_url, FileSystemType type);
 
   // Returns true if the given |url|'s scheme is allowed to access
   // filesystem.
   bool IsAllowedScheme(const GURL& url) const;
 
   friend class FileSystemTestOriginHelper;
   friend class SandboxMountPointProviderMigrationTest;
   friend class SandboxMountPointProviderOriginEnumeratorTest;
 
-  scoped_refptr<base::MessageLoopProxy> file_message_loop_;
+  scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
 
   const FilePath profile_path_;
 
   FileSystemOptions file_system_options_;
 
   scoped_refptr<ObfuscatedFileUtil> sandbox_file_util_;
 
   // Acccessed only on the file thread.
   std::set<GURL> visited_origins_;
 
   DISALLOW_COPY_AND_ASSIGN(SandboxMountPointProvider);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_SANDBOX_MOUNT_POINT_PROVIDER_H_