Remove some Profile-keyed factory boilerplate: management omnibox preference push_messaging.

chrome/browser/extensions/api/preference/preference_api_factory.h

Index: chrome/browser/extensions/api/preference/preference_api_factory.h
diff --git a/chrome/browser/extensions/api/preference/preference_api_factory.h b/chrome/browser/extensions/api/preference/preference_api_factory.h
deleted file mode 100644
index bd55a7a964f5ea165c953f01a7b3b523a77e2dfa..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/api/preference/preference_api_factory.h
+++ /dev/null
@@ -1,35 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_API_PREFERENCE_PREFERENCE_API_FACTORY_H_
-#define CHROME_BROWSER_EXTENSIONS_API_PREFERENCE_PREFERENCE_API_FACTORY_H_
-
-#include "base/memory/singleton.h"
-#include "chrome/browser/profiles/profile_keyed_service_factory.h"
-
-namespace extensions {
-class PreferenceAPI;
-
-class PreferenceAPIFactory : public ProfileKeyedServiceFactory {
- public:
-  static PreferenceAPI* GetForProfile(Profile* profile);
-
-  static PreferenceAPIFactory* GetInstance();
-
- private:
-  friend struct DefaultSingletonTraits<PreferenceAPIFactory>;
-
-  PreferenceAPIFactory();
-  virtual ~PreferenceAPIFactory();
-
-  // ProfileKeyedBaseFactory implementation.
-  virtual ProfileKeyedService* BuildServiceInstanceFor(
-      Profile* profile) const OVERRIDE;
-  virtual bool ServiceIsCreatedWithProfile() const OVERRIDE;
-  virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_PREFERENCE_PREFERENCE_API_FACTORY_H_