Move GetDocument method from WebFrame to WebLocalFrame.

extensions/renderer/script_context_browsertest.cc

 // 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.
 
 #include "chrome/test/base/chrome_render_view_test.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/test/frame_load_waiter.h"
 #include "extensions/renderer/script_context.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "url/gurl.h"
 
 using blink::WebLocalFrame;
 
 namespace extensions {
 namespace {
 
 class ScriptContextTest : public ChromeRenderViewTest {
  protected:
-  GURL GetEffectiveDocumentURL(const WebLocalFrame* frame) {
+  GURL GetEffectiveDocumentURL(WebLocalFrame* frame) {
     return ScriptContext::GetEffectiveDocumentURL(
         frame, frame->GetDocument().Url(), true);
   }
 };
 
 TEST_F(ScriptContextTest, GetEffectiveDocumentURL) {
   GURL top_url("http://example.com/");
   GURL different_url("http://example.net/");
   GURL blank_url("about:blank");
   GURL srcdoc_url("about:srcdoc");
@@ skipping 58 matching lines @@
   EXPECT_EQ(GetEffectiveDocumentURL(frame2_1), blank_url);
 
   // top -> different origin = different origin
   EXPECT_EQ(GetEffectiveDocumentURL(frame3), different_url);
   // top -> different origin -> about:blank = inherit
   EXPECT_EQ(GetEffectiveDocumentURL(frame3_1), different_url);
 }
 
 }  // namespace
 }  // namespace extensions