Extract ProcessManager from ExtensionSystem.

chrome/browser/extensions/extension_test_notification_observer.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 "chrome/browser/extensions/extension_test_notification_observer.h"
 
 #include "base/callback_list.h"
 #include "chrome/browser/extensions/extension_action_test_util.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 121 matching lines @@
   WaitForCondition(
       base::Bind(&HasPageActionVisibilityReachedTarget, browser_, count),
       NULL);
   extensions::ExtensionActionAPI::Get(GetProfile())->
       RemoveObserver(this);
   return true;
 }
 
 bool ExtensionTestNotificationObserver::WaitForExtensionViewsToLoad() {
   extensions::ProcessManager* manager =
-      extensions::ExtensionSystem::Get(GetProfile())->process_manager();
+      extensions::ProcessManager::Get(GetProfile());
   NotificationSet notification_set;
   notification_set.Add(content::NOTIFICATION_WEB_CONTENTS_DESTROYED);
   notification_set.Add(content::NOTIFICATION_LOAD_STOP);
   WaitForCondition(
       base::Bind(&HaveAllExtensionRenderViewHostsFinishedLoading, manager),
       &notification_set);
   return true;
 }
 
 bool ExtensionTestNotificationObserver::WaitForExtensionInstall() {
@@ skipping 127 matching lines @@
   runner->Run();
 
   condition_.Reset();
   quit_closure_.Reset();
 }
 
 void ExtensionTestNotificationObserver::MaybeQuit() {
   if (condition_.Run())
     quit_closure_.Run();
 }