Use correct WebView from AccessibilityController.

components/test_runner/web_frame_test_client.h

 // Copyright 2016 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_TEST_RUNNER_WEB_FRAME_TEST_CLIENT_H_
 #define COMPONENTS_TEST_RUNNER_WEB_FRAME_TEST_CLIENT_H_
 
 #include <map>
 #include <string>
 
@@ skipping 10 matching lines @@
 // WebFrameTestClient implements WebFrameClient interface, providing behavior
 // expected by tests.  WebFrameTestClient ends up used by WebFrameTestProxy
 // which coordinates forwarding WebFrameClient calls either to
 // WebFrameTestClient or to the product code (i.e. to RenderFrameImpl).
 class WebFrameTestClient : public blink::WebFrameClient {
  public:
   // Caller has to ensure that all arguments (|test_runner|, |delegate| and so
   // forth) live longer than |this|.
   WebFrameTestClient(TestRunner* test_runner,
                      WebTestDelegate* delegate,
-                     AccessibilityController* accessibility_controller,
                      WebTestProxyBase* web_test_proxy_base);
 
   ~WebFrameTestClient() override;
 
   // WebFrameClient overrides needed by WebFrameTestProxy.
   blink::WebColorChooser* createColorChooser(
       blink::WebColorChooserClient* client,
       const blink::WebColor& initial_color,
       const blink::WebVector<blink::WebColorSuggestion>& suggestions) override;
   void runModalAlertDialog(const blink::WebString& message) override;
@@ skipping 65 matching lines @@
   void checkIfAudioSinkExistsAndIsAuthorized(
       const blink::WebString& sink_id,
       const blink::WebSecurityOrigin& security_origin,
       blink::WebSetSinkIdCallbacks* web_callbacks) override;
   void didClearWindowObject(blink::WebLocalFrame* frame) override;
 
  private:
   // Borrowed pointers to other parts of Layout Tests state.
   TestRunner* test_runner_;
   WebTestDelegate* delegate_;
-  AccessibilityController* accessibility_controller_;
   WebTestProxyBase* web_test_proxy_base_;
 
   // Map from request identifier into resource url description.  The map is used
   // to track resource requests spanning willSendRequest, didReceiveResponse,
   // didChangeResourcePriority, didFinishResourceLoad.
   std::map<unsigned, std::string> resource_identifier_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebFrameTestClient);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_WEB_FRAME_TEST_CLIENT_H_