Drop more dependencies of ProfileKeyedService infrastructure on chrome.

chrome/browser/profiles/profile_keyed_base_factory.h

 // 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_PROFILES_PROFILE_KEYED_BASE_FACTORY_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_KEYED_BASE_FACTORY_H_
 
 #include <set>
 
 #include "base/threading/non_thread_safe.h"
 #include "chrome/browser/profiles/dependency_node.h"
 
 class PrefService;
-class Profile;
 class ProfileDependencyManager;
 
 namespace content {
 class BrowserContext;
 }
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 // Base class for Factories that take a Profile object and return some service.
@@ skipping 100 matching lines @@
 
 #if !defined(NDEBUG)
   // A static string passed in to our constructor. Should be unique across all
   // services. This is used only for debugging in debug mode. (We can print
   // pretty graphs with GraphViz with this information.)
   const char* service_name_;
 #endif
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_KEYED_BASE_FACTORY_H_