Get rid of unnecessary forward declarations in components/autofill/

chrome/browser/autofill/autofill_cc_infobar_delegate.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_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "components/autofill/core/browser/autofill_metrics.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "ui/base/window_open_disposition.h"
 
 class CreditCard;
 class PersonalDataManager;
+class InfoBarService;
 
 namespace autofill {
 
 // An InfoBar delegate that enables the user to allow or deny storing credit
 // card information gathered from a form submission.
 class AutofillCCInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
   // Creates an autofill credit card infobar and delegate and adds the infobar
   // to |infobar_service|.
   static void Create(InfoBarService* infobar_service,
@@ skipping 40 matching lines @@
   bool had_user_interaction_;
 
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, CreditCardInfoBar);
 
   DISALLOW_COPY_AND_ASSIGN(AutofillCCInfoBarDelegate);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_CC_INFOBAR_DELEGATE_H_