Move GetDocument method from WebFrame to WebLocalFrame.

chrome/renderer/autofill/form_autocomplete_browsertest.cc

 // Copyright (c) 2011 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 <tuple>
 
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
@@ skipping 123 matching lines @@
 // renderer.
 void VerifyNoSubmitMessagesReceived(
     const FakeContentAutofillDriver& fake_driver) {
   // No submission messages sent.
   EXPECT_EQ(nullptr, fake_driver.form_will_submit());
   EXPECT_EQ(nullptr, fake_driver.form_submitted());
 }
 
 // Simulates receiving a message from the browser to fill a form.
 void SimulateOnFillForm(autofill::AutofillAgent* autofill_agent,
-                        blink::WebFrame* main_frame) {
+                        blink::WebLocalFrame* main_frame) {
   WebDocument document = main_frame->GetDocument();
   WebElement element = document.GetElementById(WebString::FromUTF8("fname"));
   ASSERT_FALSE(element.IsNull());
 
   // This call is necessary to setup the autofill agent appropriate for the
   // user selection; simulates the menu actually popping up.
   static_cast<autofill::PageClickListener*>(autofill_agent)
       ->FormControlElementClicked(element.To<WebInputElement>(), false);
 
   FormData data;
@@ skipping 494 matching lines @@
 
   // Submit the form.
   ExecuteJavaScriptForTests("document.getElementById('myForm').submit();");
   base::RunLoop().RunUntilIdle();
 
   VerifyReceivedRendererMessages(fake_driver_, "Rick", "Deckard",
                                  true /* expect_submitted_message */);
 }
 
 }  // namespace autofill