Update includes of message_loop_proxy.

webkit/support/simple_database_system.cc

 // 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.
 
 #include "webkit/support/simple_database_system.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
-#include "base/message_loop_proxy.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/platform_thread.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDatabase.h"
 #include "third_party/sqlite/sqlite3.h"
 #include "webkit/browser/database/database_util.h"
 #include "webkit/browser/database/vfs_backend.h"
 
 using webkit_database::DatabaseTracker;
@@ skipping 285 matching lines @@
   file_util::Delete(db_tracker_->DatabaseDirectory(), true);
 }
 
 void SimpleDatabaseSystem::ThreadCleanup(base::WaitableEvent* done_event) {
   ResetTracker();
   db_tracker_->RemoveObserver(this);
   db_tracker_ = NULL;
   done_event->Signal();
 }