Move GetDocument method from WebFrame to WebLocalFrame.

components/autofill/content/renderer/form_cache.cc

 // 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.
 
 #include "components/autofill/content/renderer/form_cache.h"
 
+#include <algorithm>
+#include <string>
+#include <utility>
+
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/content/renderer/form_autofill_util.h"
 #include "components/autofill/core/common/autofill_constants.h"
 #include "components/autofill/core/common/form_data_predictions.h"
 #include "components/strings/grit/components_strings.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFormControlElement.h"
 #include "third_party/WebKit/public/web/WebFormElement.h"
 #include "third_party/WebKit/public/web/WebInputElement.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebSelectElement.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using blink::WebConsoleMessage;
 using blink::WebDocument;
 using blink::WebElement;
 using blink::WebFormControlElement;
 using blink::WebFormElement;
-using blink::WebFrame;
+using blink::WebLocalFrame;
 using blink::WebInputElement;
 using blink::WebNode;
 using blink::WebSelectElement;
 using blink::WebString;
 using blink::WebVector;
 
 namespace autofill {
 
 namespace {
 
@@ skipping 33 matching lines @@
   // the required number of editable fields for the prediction routines to be a
   // candidate for autofill.
   return num_editable_elements >= kRequiredFieldsForPredictionRoutines ||
          (all_fields_are_passwords &&
           num_editable_elements >=
               kRequiredFieldsForFormsWithOnlyPasswordFields);
 }
 
 }  // namespace
 
-FormCache::FormCache(const WebFrame& frame) : frame_(frame) {
-}
+FormCache::FormCache(const WebLocalFrame& frame) : frame_(frame) {}
 
 FormCache::~FormCache() {
 }
 
 std::vector<FormData> FormCache::ExtractNewForms() {
   std::vector<FormData> forms;
   WebDocument document = frame_.GetDocument();
   if (document.IsNull())
     return forms;
 
@@ skipping 273 matching lines @@
       const WebInputElement* input_element = ToWebInputElement(&element);
       if (form_util::IsCheckableElement(input_element)) {
         initial_checked_state_.insert(
             std::make_pair(*input_element, input_element->IsChecked()));
       }
     }
   }
 }
 
 }  // namespace autofill