FBTF: Forward declare and move constructors in chrome/common/extensions/.

chrome/browser/automation/automation_provider.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 implements a browser-side endpoint for UI automation activity.
 // The client-side endpoint is implemented by AutomationProxy.
 // The entire lifetime of this object should be contained within that of
 // the BrowserProcess, and in particular the NotificationService that's
 // hung off of it.
 
@@ skipping 36 matching lines @@
 class AutomationResourceMessageFilter;
 class AutomationTabTracker;
 class AutomationWindowTracker;
 class CreditCard;
 class DictionaryValue;
 class Extension;
 class ExtensionPortContainer;
 class ExtensionTestResultNotificationObserver;
 class ExternalTabContainer;
 class InitialLoadObserver;
+class ListValue;
 class LoginHandler;
 class MetricEventDurationObserver;
 class NavigationController;
 class NavigationControllerRestoredObserver;
 class Profile;
 struct AutocompleteMatchData;
 
 namespace gfx {
 class Point;
 }
@@ skipping 825 matching lines @@
   // that StartTrackingPopupMenus has been called.
   bool popup_menu_opened_;
 
   // A temporary object that receives a notification when a popup menu opens.
   PopupMenuWaiter* popup_menu_waiter_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_H_