Rename IPC::Channel and IPC::Sender in src/chrome.

chrome/browser/automation/automation_browser_tracker.cc

 // Copyright (c) 2011 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/browser/automation/automation_browser_tracker.h"
 
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_source.h"
 
-AutomationBrowserTracker::AutomationBrowserTracker(
-    IPC::Message::Sender* automation)
+AutomationBrowserTracker::AutomationBrowserTracker(IPC::Sender* automation)
     : AutomationResourceTracker<Browser*>(automation) {
 }
 
 AutomationBrowserTracker::~AutomationBrowserTracker() {}
 
 void AutomationBrowserTracker::AddObserver(Browser* resource) {
   registrar_.Add(this, chrome::NOTIFICATION_BROWSER_CLOSED,
                  content::Source<Browser>(resource));
 }
 
 void AutomationBrowserTracker::RemoveObserver(Browser* resource) {
   registrar_.Remove(this, chrome::NOTIFICATION_BROWSER_CLOSED,
                     content::Source<Browser>(resource));
 }