components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/webdata/common/web_database_service.h

 // Copyright 2013 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.
 
 // Chromium settings and storage represent user-selected preferences and
 // information and MUST not be extracted, overwritten or modified except
 // through Chromium defined APIs.
 
 #ifndef COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_
 #define COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/ref_counted_delete_on_message_loop.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop_proxy.h"
 #include "base/observer_list.h"
+#include "base/single_thread_task_runner.h"
 #include "components/webdata/common/web_data_service_base.h"
 #include "components/webdata/common/web_database.h"
 #include "components/webdata/common/webdata_export.h"
 
 class WebDatabaseBackend;
 class WebDataRequestManager;
 
 namespace content {
 class BrowserContext;
 }
@@ skipping 20 matching lines @@
   typedef base::Callback<scoped_ptr<WDTypedResult>(WebDatabase*)> ReadTask;
   typedef base::Callback<WebDatabase::State(WebDatabase*)> WriteTask;
 
   // Types for managing DB loading callbacks.
   typedef base::Closure DBLoadedCallback;
   typedef base::Callback<void(sql::InitStatus)> DBLoadErrorCallback;
 
   // Takes the path to the WebDatabase file.
   // WebDatabaseService lives on |ui_thread| and posts tasks to |db_thread|.
   WebDatabaseService(const base::FilePath& path,
-                     const scoped_refptr<base::MessageLoopProxy>& ui_thread,
-                     const scoped_refptr<base::MessageLoopProxy>& db_thread);
+                     scoped_refptr<base::SingleThreadTaskRunner> ui_thread,
+                     scoped_refptr<base::SingleThreadTaskRunner> db_thread);
 
   // Adds |table| as a WebDatabaseTable that will participate in
   // managing the database, transferring ownership. All calls to this
   // method must be made before |LoadDatabase| is called.
   virtual void AddTable(scoped_ptr<WebDatabaseTable> table);
 
   // Initializes the web database service.
   virtual void LoadDatabase();
 
   // Unloads the database and shuts down the service.
@@ skipping 59 matching lines @@
 
   // Callbacks to be called once the DB has loaded.
   LoadedCallbacks loaded_callbacks_;
 
   // Callbacks to be called if the DB has failed to load.
   ErrorCallbacks error_callbacks_;
 
   // True if the WebDatabase has loaded.
   bool db_loaded_;
 
-  scoped_refptr<base::MessageLoopProxy> db_thread_;
+  scoped_refptr<base::SingleThreadTaskRunner> db_thread_;
 
   // All vended weak pointers are invalidated in ShutdownDatabase().
   base::WeakPtrFactory<WebDatabaseService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDatabaseService);
 };
 
 #endif  // COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_