Get rid of unnecessary forward declarations in components/autofill/

components/autofill/content/browser/content_autofill_driver.h

 // Copyright 2014 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 COMPONENTS_AUTOFILL_CONTENT_BROWSER_CONTENT_AUTOFILL_DRIVER_H_
 #define COMPONENTS_AUTOFILL_CONTENT_BROWSER_CONTENT_AUTOFILL_DRIVER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/supports_user_data.h"
 #include "components/autofill/content/browser/request_autocomplete_manager.h"
 #include "components/autofill/core/browser/autofill_driver.h"
 #include "components/autofill/core/browser/autofill_external_delegate.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace content {
 class WebContents;
 }
 
 namespace IPC {
 class Message;
 }
 
 namespace autofill {
 
-class AutofillContext;
 class AutofillClient;
 
 // Class that drives autofill flow in the browser process based on
 // communication from the renderer and from the external world. There is one
 // instance per WebContents.
 class ContentAutofillDriver : public AutofillDriver,
                               public content::WebContentsObserver,
                               public base::SupportsUserData::Data {
  public:
   static void CreateForWebContentsAndDelegate(
@@ skipping 59 matching lines @@
   // case where the Autofill native UI is enabled.
   AutofillExternalDelegate autofill_external_delegate_;
 
   // Driver for the interactive autocomplete dialog.
   RequestAutocompleteManager request_autocomplete_manager_;
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_CONTENT_AUTOFILL_DRIVER_H_