components: Cleanup class/struct fwd declarations

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>
 
 #include "base/macros.h"
 #include "third_party/WebKit/public/web/WebFrameClient.h"
 
 namespace test_runner {
 
-class AccessibilityController;
 class TestRunner;
 class WebFrameTestProxyBase;
 class WebTestDelegate;
 class WebViewTestProxyBase;
 
 // 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 {
@@ skipping 85 matching lines @@
   WebTestDelegate* delegate_;
   WebViewTestProxyBase* web_view_test_proxy_base_;
   WebFrameTestProxyBase* web_frame_test_proxy_base_;
 
   DISALLOW_COPY_AND_ASSIGN(WebFrameTestClient);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_WEB_FRAME_TEST_CLIENT_H_