Remove ExtensionService::extension_prefs()

chrome/browser/apps/app_browsertest.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 "apps/launcher.h"
 #include "apps/shell_window.h"
 #include "apps/shell_window_registry.h"
 #include "apps/ui/native_app_window.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 999 matching lines @@
   ASSERT_TRUE(extension);
 
   ExtensionTestMessageListener launched_listener("Launched", false);
   OpenApplication(AppLaunchParams(
       browser()->profile(), extension, LAUNCH_CONTAINER_NONE, NEW_WINDOW));
 
   ASSERT_TRUE(launched_listener.WaitUntilSatisfied());
   ASSERT_FALSE(should_not_install.seen());
 
   // Simulate a "downgrade" from version 2 in the test manifest.json to 1.
-  ExtensionPrefs* extension_prefs =
-      extensions::ExtensionSystem::Get(browser()->profile())->
-      extension_service()->extension_prefs();
+  ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(browser()->profile());
 
   // Clear the registered events to ensure they are updated.
   extensions::ExtensionSystem::Get(browser()->profile())->event_router()->
       SetRegisteredEvents(extension->id(), std::set<std::string>());
 
   DictionaryPrefUpdate update(extension_prefs->pref_service(),
                               extensions::pref_names::kExtensions);
   base::DictionaryValue* dict = update.Get();
   std::string key(extension->id());
   key += ".manifest.version";
@@ skipping 294 matching lines @@
 
     ExtensionApiTest::ResultCatcher result_catcher;
 
     ASSERT_TRUE(launched_listener.WaitUntilSatisfied());
 
     EXPECT_TRUE(result_catcher.GetNextResult());
   }
 }
 
 }  // namespace extensions