chrome: Cleanup class/struct forward declarations

chrome/browser/ui/startup/startup_browser_creator.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_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_
 #define CHROME_BROWSER_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_
 
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/browser/prefs/session_startup_pref.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/startup/startup_tab.h"
 #include "chrome/browser/ui/startup/startup_types.h"
 #include "url/gurl.h"
 
-class Browser;
 class GURL;
 class PrefRegistrySimple;
-class PrefService;
 
 namespace base {
 class CommandLine;
 }
 
 // class containing helpers for BrowserMain to spin up a new instance and
 // initialize the profile.
 class StartupBrowserCreator {
  public:
   typedef std::vector<Profile*> Profiles;
@@ skipping 158 matching lines @@
                            const base::CommandLine& command_line);
 
 // Returns the profile that should be loaded on process startup when
 // GetStartupProfile() returns null. As with GetStartupProfile(), returning the
 // guest profile means the caller should open the user manager. This may return
 // null if neither any profile nor the user manager can be opened.
 Profile* GetFallbackStartupProfile();
 #endif  // !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
 
 #endif  // CHROME_BROWSER_UI_STARTUP_STARTUP_BROWSER_CREATOR_H_