Add a base class for objects that want to filter messages on the UI thread. ...

chrome/test/automation/automation_proxy.cc

 // Copyright (c) 2010 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 "chrome/test/automation/automation_proxy.h"
 
 #include <gtest/gtest.h>
 
 #include <sstream>
 
@@ skipping 139 matching lines @@
 
   // TODO(iyengar)
   // The shutdown event could be global on the same lines as the automation
   // provider, where we use the shutdown event provided by the chrome browser
   // process.
   channel_.reset(new IPC::SyncChannel(
     channel_id,
     use_named_interface ? IPC::Channel::MODE_NAMED_CLIENT
                         : IPC::Channel::MODE_SERVER,
     this,  // we are the listener
-    new AutomationMessageFilter(this),
     thread_->message_loop(),
     true,
     shutdown_event_.get()));
+  channel_->AddFilter(new AutomationMessageFilter(this));
 }
 
 void AutomationProxy::InitializeHandleTracker() {
   tracker_.reset(new AutomationHandleTracker());
 }
 
 AutomationLaunchResult AutomationProxy::WaitForAppLaunch() {
   AutomationLaunchResult result = AUTOMATION_SUCCESS;
   if (app_launched_.TimedWait(command_execution_timeout_)) {
     if (perform_version_check_) {
@@ skipping 369 matching lines @@
                                                           password,
                                                           &success));
   // If message sending unsuccessful or test failed, return false.
   return sent && success;
 }
 #endif
 
 bool AutomationProxy::ResetToDefaultTheme() {
   return Send(new AutomationMsg_ResetToDefaultTheme(0));
 }