Get rid of unnecessary forward declarations in components/autofill/

components/autofill/core/browser/autofill_manager.h

 // Copyright 2013 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_CORE_BROWSER_AUTOFILL_MANAGER_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_MANAGER_H_
 
 #include <list>
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "components/autofill/core/browser/autocomplete_history_manager.h"
 #include "components/autofill/core/browser/autofill_client.h"
 #include "components/autofill/core/browser/autofill_download_manager.h"
 #include "components/autofill/core/browser/autofill_driver.h"
 #include "components/autofill/core/browser/form_structure.h"
 #include "components/autofill/core/browser/personal_data_manager.h"
 #include "components/autofill/core/common/form_data.h"
 
-class GURL;
-
-namespace content {
-class RenderViewHost;
-class WebContents;
-}
-
 namespace gfx {
 class Rect;
 class RectF;
 }
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace autofill {
 
 class AutofillDataModel;
 class AutofillDownloadManager;
 class AutofillExternalDelegate;
 class AutofillField;
 class AutofillClient;
 class AutofillManagerTestDelegate;
 class AutofillMetrics;
 class AutofillProfile;
 class AutofillType;
 class CreditCard;
 class FormStructureBrowserTest;
 
 struct FormData;
 struct FormFieldData;
-struct PasswordFormFillData;
 
 // Manages saving and restoring the user's personal information entered into web
 // forms.
 class AutofillManager : public AutofillDownloadManager::Observer {
  public:
   enum AutofillDownloadManagerState {
     ENABLE_AUTOFILL_DOWNLOAD_MANAGER,
     DISABLE_AUTOFILL_DOWNLOAD_MANAGER,
   };
 
@@ skipping 307 matching lines @@
                            UserHappinessFormLoadAndSubmission);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, UserHappinessFormInteraction);
   FRIEND_TEST_ALL_PREFIXES(AutofillManagerTest,
                            FormSubmittedAutocompleteEnabled);
   DISALLOW_COPY_AND_ASSIGN(AutofillManager);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_MANAGER_H_