Extract ProcessManager from ExtensionSystem.

chrome/browser/extensions/extension_crash_recovery_browsertest.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 "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_delegate.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
@@ skipping 35 matching lines @@
   virtual void AcceptNotification(size_t index) = 0;
   virtual void CancelNotification(size_t index) = 0;
   virtual size_t CountBalloons() = 0;
 
   ExtensionService* GetExtensionService() {
     return extensions::ExtensionSystem::Get(browser()->profile())->
         extension_service();
   }
 
   extensions::ProcessManager* GetProcessManager() {
-    return extensions::ExtensionSystem::Get(browser()->profile())->
-        process_manager();
+    return extensions::ProcessManager::Get(browser()->profile());
   }
 
   ExtensionRegistry* GetExtensionRegistry() {
     return ExtensionRegistry::Get(browser()->profile());
   }
 
   size_t GetEnabledExtensionCount() {
     return GetExtensionRegistry()->enabled_extensions().size();
   }
 
@@ skipping 485 matching lines @@
                 GetController()));
     chrome::Reload(browser(), CURRENT_TAB);
     observer.Wait();
   }
   // Extension should now be loaded.
   SCOPED_TRACE("after reloading the tab");
   CheckExtensionConsistency(first_extension_id_);
   ASSERT_EQ(count_before + 1, GetEnabledExtensionCount());
   ASSERT_EQ(0U, CountBalloons());
 }