Remove GetExtensionService from Profile.

chrome/browser/extensions/process_management_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 "base/utf_string_conversions.h"
 #include "chrome/browser/automation/automation_util.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 211 matching lines @@
       process_manager();
   for (ExtensionProcessManager::const_iterator iter =
            epm->background_hosts().begin();
        iter != epm->background_hosts().end(); ++iter) {
     process_ids.insert((*iter)->render_process_host()->GetID());
   }
 
   // We've loaded 5 extensions with background pages, 1 extension without
   // background page, and one isolated app. We expect only 2 unique processes
   // hosting those extensions.
-  EXPECT_GE((size_t) 6, profile->GetExtensionService()->process_map()->size());
+  ExtensionService* service =
+      extensions::ExtensionSystem::Get(profile)->extension_service();
+
+  EXPECT_GE((size_t) 6, service->process_map()->size());
   EXPECT_EQ((size_t) 2, process_ids.size());
 }