Cleanup: Remove more forward declarations in various chrome/browser directories.

chrome/browser/browser_process_impl.h

 // Copyright (c) 2011 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.
 
 // When each service is created, we set a flag indicating this. At this point,
 // the service initialization could fail or succeed. This allows us to remember
 // if we tried to create a service, and not try creating it over and over if
 // the creation failed.
 
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_
@@ skipping 12 matching lines @@
 #include "chrome/browser/prefs/pref_member.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ipc/ipc_message.h"
 
 class BrowserOnlineStateObserver;
 class ChromeNetLog;
 class ChromeResourceDispatcherHostDelegate;
 class CommandLine;
 class DevToolsProtocolHandler;
-class FilePath;
-class PluginDataRemover;
 class RemoteDebuggingServer;
 class TabCloseableStateWatcher;
 
 namespace policy {
 class BrowserPolicyConnector;
 };
 
 // Real implementation of BrowserProcess that creates and returns the services.
 class BrowserProcessImpl : public BrowserProcess,
                            public base::NonThreadSafe,
@@ skipping 273 matching lines @@
 #if !defined(OS_CHROMEOS)
   scoped_ptr<ComponentUpdateService> component_updater_;
 
   scoped_refptr<CRLSetFetcher> crl_set_fetcher_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessImpl);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_