components: Cleanup class/struct fwd declarations

components/autofill/content/renderer/password_form_conversion_utils.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_CONTENT_RENDERER_PASSWORD_FORM_CONVERSION_UTILS_H_
 #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_FORM_CONVERSION_UTILS_H_
 
 #include <map>
 #include <memory>
 #include <vector>
 
 #include "components/autofill/core/common/password_form.h"
 #include "components/autofill/core/common/password_form_field_prediction_map.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "url/gurl.h"
 
 namespace blink {
-class WebDocument;
 class WebFormElement;
 class WebFormControlElement;
 class WebFrame;
 class WebInputElement;
 }
 
 namespace autofill {
 
-struct FormData;
-struct FormFieldData;
 struct PasswordForm;
 
 // Tests whether the given form is a GAIA reauthentication form. The form is
 // not passed directly as WebFormElement, but by specifying its |origin| and
 // |control_elements|. This is for better performance and easier testing.
 // TODO(msramek): Move this logic to the browser.
 bool IsGaiaReauthenticationForm(
     const GURL& origin,
     const std::vector<blink::WebFormControlElement>& control_elements);
 
@@ skipping 24 matching lines @@
     const FormsPredictionsMap* form_predictions);
 
 // Checks in a case-insensitive way if the autocomplete attribute for the given
 // |element| is present and has the specified |value_in_lowercase|.
 bool HasAutocompleteAttributeValue(const blink::WebInputElement& element,
                                    const char* value_in_lowercase);
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_FORM_CONVERSION_UTILS_H__