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

chrome/browser/printing/cloud_print/cloud_print_setup_flow.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.
 
 #ifndef CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_SETUP_FLOW_H_
 #define CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_SETUP_FLOW_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 #include "chrome/common/net/gaia/gaia_auth_consumer.h"
 #include "chrome/common/net/gaia/gaia_auth_fetcher.h"
 #include "chrome/common/net/gaia/google_service_auth_error.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/native_widget_types.h"
 
-class Browser;
 class CloudPrintServiceProcessHelper;
 class CloudPrintSetupMessageHandler;
 class GaiaAuthFetcher;
 class GoogleServiceAuthError;
 class Profile;
 class ServiceProcessControl;
 
 namespace base {
 class DictionaryValue;
 }
@@ skipping 111 matching lines @@
   bool setup_done_;
 
   // Handle to the ServiceProcessControl which talks to the service process.
   ServiceProcessControl* process_control_;
   base::WeakPtr<Delegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintSetupFlow);
 };
 
 #endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_SETUP_FLOW_H_