chrome: Cleanup class/struct forward declarations

chrome/browser/ui/autofill/chrome_autofill_client.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 CHROME_BROWSER_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_
 #define CHROME_BROWSER_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/autofill/core/browser/autofill_client.h"
 #include "components/autofill/core/browser/ui/card_unmask_prompt_controller_impl.h"
 #include "components/zoom/zoom_observer.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
 namespace content {
-struct FrameNavigateParams;
-struct LoadCommittedDetails;
 class WebContents;
 }
 
 namespace autofill {
 
 class AutofillPopupControllerImpl;
-class CreditCardScannerController;
-struct FormData;
 
 // Chrome implementation of AutofillClient.
 class ChromeAutofillClient
     : public AutofillClient,
       public content::WebContentsUserData<ChromeAutofillClient>,
       public content::WebContentsObserver,
       public zoom::ZoomObserver {
  public:
   ~ChromeAutofillClient() override;
 
@@ skipping 58 matching lines @@
 
   // The identity provider, used for Payments integration.
   std::unique_ptr<IdentityProvider> identity_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeAutofillClient);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_