Delete obviously unneeded forward declarations in chrome/browser/*.h.

chrome/browser/browser_process.h

 // Copyright (c) 2010 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.
 
 // This interface is for managing the global services of the application. Each
 // service is lazily created when requested the first time. The service getters
 // will return NULL if the service is not available, so callers must check for
 // this condition.
 
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_H_
@@ skipping 12 matching lines @@
 class DownloadRequestLimiter;
 class GoogleURLTracker;
 class IntranetRedirectDetector;
 class IconManager;
 class MetricsService;
 class NotificationUIManager;
 class PrefService;
 class ProfileManager;
 class ResourceDispatcherHost;
 class StatusTrayManager;
-class SuspendController;
 class TabCloseableStateWatcher;
 class ThumbnailGenerator;
-class WebAppInstallerService;
 
 namespace base {
 class Thread;
 class WaitableEvent;
 }
 
 namespace printing {
 class PrintJobManager;
 }
 
@@ skipping 124 matching lines @@
  private:
   // User-data-dir based profiles.
   std::vector<std::wstring> user_data_dir_profiles_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserProcess);
 };
 
 extern BrowserProcess* g_browser_process;
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_H_