Move GetDocument method from WebFrame to WebLocalFrame.

components/autofill/content/renderer/form_cache.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_FORM_CACHE_H_
 #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_FORM_CACHE_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "components/autofill/core/common/form_data.h"
 
 namespace blink {
 class WebFormControlElement;
-class WebFrame;
 class WebInputElement;
+class WebLocalFrame;
 class WebSelectElement;
 }
 
 namespace autofill {
 
 struct FormDataPredictions;
 
 // Manages the forms in a single RenderFrame.
 class FormCache {
  public:
-  explicit FormCache(const blink::WebFrame& frame);
+  explicit FormCache(const blink::WebLocalFrame& frame);
   ~FormCache();
 
   // Scans the DOM in |frame_| extracting and storing forms that have not been
   // seen before. Returns the extracted forms.
   std::vector<FormData> ExtractNewForms();
 
   // Resets the forms.
   void Reset();
 
   // Clears the values of all input elements in the form that contains
@@ skipping 12 matching lines @@
   // |log_deprecation_messages| is set.
   size_t ScanFormControlElements(
       const std::vector<blink::WebFormControlElement>& control_elements,
       bool log_deprecation_messages);
 
   // Saves initial state of checkbox and select elements.
   void SaveInitialValues(
       const std::vector<blink::WebFormControlElement>& control_elements);
 
   // The frame this FormCache is associated with.
-  const blink::WebFrame& frame_;
+  const blink::WebLocalFrame& frame_;
 
   // The cached forms. Used to prevent re-extraction of forms.
   std::set<FormData> parsed_forms_;
 
   // The synthetic FormData is for all the fieldsets in the document without a
   // form owner.
   FormData synthetic_form_;
 
   // The cached initial values for <select> elements.
   std::map<const blink::WebSelectElement, base::string16>
       initial_select_values_;
 
   // The cached initial values for checkable <input> elements.
   std::map<const blink::WebInputElement, bool> initial_checked_state_;
 
   DISALLOW_COPY_AND_ASSIGN(FormCache);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_RENDERER_FORM_CACHE_H_