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

chrome/browser/automation/automation_provider_observers.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_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 35 matching lines @@
 #include "chrome/common/automation_constants.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/browser/cancelable_request.h"
 #include "content/browser/download/download_item.h"
 #include "content/browser/download/download_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_types.h"
 #include "ui/gfx/size.h"
 
-class AutocompleteEditModel;
 class AutomationProvider;
 class BalloonCollection;
 class Browser;
 class Extension;
 class ExtensionProcessManager;
 class ExtensionService;
 class InfoBarTabHelper;
 class NavigationController;
 class Notification;
 class Profile;
@@ skipping 1739 matching lines @@
  private:
   content::NotificationRegistrar registrar_;
   base::WeakPtr<AutomationProvider> automation_;
   scoped_ptr<IPC::Message> reply_message_;
   int new_window_id_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserOpenedWithNewProfileNotificationObserver);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_