Drop more dependencies of ProfileKeyedService infrastructure on chrome.

chrome/browser/spellchecker/spellcheck_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_SPELLCHECKER_SPELLCHECK_FACTORY_H_
 #define CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_FACTORY_H_
 
 #include "base/basictypes.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/profiles/profile_keyed_service_factory.h"
 
 class SpellcheckService;
+class Profile;
 
 // Entry into the SpellCheck system.
 //
 // Internally, this owns all SpellcheckService objects.
 class SpellcheckServiceFactory : public ProfileKeyedServiceFactory {
  public:
   // Returns the spell check host. This will create the SpellcheckService if it
   // does not already exist.
   static SpellcheckService* GetForProfile(Profile* profile);
 
@@ skipping 16 matching lines @@
   virtual void RegisterUserPrefs(
       user_prefs::PrefRegistrySyncable* registry) OVERRIDE;
   virtual content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const OVERRIDE;
   virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(SpellcheckServiceFactory);
 };
 
 #endif  // CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_FACTORY_H_