Reduce usage of MessageLoopProxy in base/

components/webdata/common/web_database_service.cc

 // 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.
 
 #include "components/webdata/common/web_database_service.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "components/webdata/common/web_data_request_manager.h"
 #include "components/webdata/common/web_data_results.h"
@@ skipping 23 matching lines @@
   }
  private:
   const base::WeakPtr<WebDatabaseService> web_database_service_;
   scoped_refptr<base::MessageLoopProxy> callback_thread_;
 };
 
 WebDatabaseService::WebDatabaseService(
     const base::FilePath& path,
     const scoped_refptr<base::MessageLoopProxy>& ui_thread,
     const scoped_refptr<base::MessageLoopProxy>& db_thread)
-    : base::RefCountedDeleteOnMessageLoop<WebDatabaseService>(ui_thread),
+    : base::RefCountedDeleteOnTaskRunner<WebDatabaseService>(ui_thread),
       path_(path),
       db_loaded_(false),
       db_thread_(db_thread),
       weak_ptr_factory_(this) {
   // WebDatabaseService should be instantiated on UI thread.
   DCHECK(ui_thread->BelongsToCurrentThread());
   // WebDatabaseService requires DB thread if instantiated.
   DCHECK(db_thread.get());
 }
 
@@ skipping 91 matching lines @@
   } else {
     // Notify that the database load failed.
     for (size_t i = 0; i < error_callbacks_.size(); i++) {
       if (!error_callbacks_[i].is_null())
         error_callbacks_[i].Run(status);
     }
 
     error_callbacks_.clear();
   }
 }