Rename the aura_shell namespace to ash

chrome/browser/chromeos/chrome_browser_main_chromeos.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/chromeos/chrome_browser_main_chromeos.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 304 matching lines @@
     // Initialize user policy before creating the profile so the profile
     // initialization code sees policy settings.
     g_browser_process->browser_policy_connector()->InitializeUserPolicy(
         username, false  /* wait_for_policy_fetch */);
   } else if (parsed_command_line().HasSwitch(switches::kLoginManager)) {
     // Initialize status area mode early on.
     chromeos::StatusAreaViewChromeos::
         SetScreenMode(chromeos::StatusAreaViewChromeos::LOGIN_MODE_WEBUI);
   }
 
-  // In Aura builds this will initialize aura_shell::Shell.
+  // In Aura builds this will initialize ash::Shell.
   ChromeBrowserMainPartsLinux::PreProfileInit();
 }
 
 void ChromeBrowserMainPartsChromeos::PostProfileInit() {
   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
   // -- just after CreateProfile().
 
   // Pass the TokenService pointer to the policy connector so user policy can
   // grab a token and register with the policy server.
   // TODO(mnissler): Remove once OAuth is the only authentication mechanism.
@@ skipping 155 matching lines @@
   // Singletons are finally destroyed in AtExitManager.
   chromeos::XInputHierarchyChangedEventListener::GetInstance()->Stop();
 
   // chromeos::SystemKeyEventListener::Shutdown() is always safe to call,
   // even if Initialize() wasn't called.
   chromeos::SystemKeyEventListener::Shutdown();
   chromeos::AudioHandler::Shutdown();
 
   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 }