Move GetDocument method from WebFrame to WebLocalFrame.

content/shell/test_runner/accessibility_controller.h

 // 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.
 
 #ifndef CONTENT_SHELL_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_
 #define CONTENT_SHELL_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 32 matching lines @@
   void SetNotificationListener(v8::Local<v8::Function> callback);
   void UnsetNotificationListener();
   v8::Local<v8::Object> FocusedElement();
   v8::Local<v8::Object> RootElement();
   v8::Local<v8::Object> AccessibleElementById(const std::string& id);
 
   v8::Local<v8::Object> FindAccessibleElementByIdRecursive(
       const blink::WebAXObject&,
       const blink::WebString& id);
 
+  blink::WebAXObject GetAccessibilityObjectForMainFrame();
+
   // If true, will log all accessibility notifications.
   bool log_accessibility_events_;
 
   WebAXObjectProxyList elements_;
 
   v8::Persistent<v8::Function> notification_callback_;
 
   blink::WebView* web_view();
   WebViewTestProxyBase* web_view_test_proxy_base_;
 
   base::WeakPtrFactory<AccessibilityController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityController);
 };
 
 }  // namespace test_runner
 
 #endif  // CONTENT_SHELL_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_