components: Cleanup class/struct fwd declarations

components/password_manager/core/browser/password_manager_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_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_DRIVER_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_DRIVER_H_
 
 #include <map>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "components/autofill/core/common/password_form_field_prediction_map.h"
 
 namespace autofill {
-class AutofillManager;
 struct FormData;
-struct FormFieldData;
 struct PasswordForm;
 struct PasswordFormGenerationData;
 struct PasswordFormFillData;
 }  // namespace autofill
 
 namespace password_manager {
 
 class PasswordAutofillManager;
 class PasswordGenerationManager;
 class PasswordManager;
@@ skipping 69 matching lines @@
   // Allows the form classifier to find generation fields.
   virtual void AllowToRunFormClassifier() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PasswordManagerDriver);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_DRIVER_H_