Revert "Fix key input."

chromecast/browser/cast_content_window.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 CHROMECAST_BROWSER_CAST_CONTENT_WINDOW_H_
 #define CHROMECAST_BROWSER_CAST_CONTENT_WINDOW_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace aura {
 class WindowTreeHost;
-namespace test {
-class TestFocusClient;
-} // namespace test
-} // namespace aura
+}
 
 namespace content {
 class BrowserContext;
 class WebContents;
 }
 
 namespace gfx {
 class Size;
 }
 
@@ skipping 16 matching lines @@
 
   // content::WebContentsObserver implementation:
   void DidFirstVisuallyNonEmptyPaint() override;
   void MediaPaused() override;
   void MediaStartedPlaying() override;
   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
 
  private:
 #if defined(USE_AURA)
   scoped_ptr<aura::WindowTreeHost> window_tree_host_;
-  scoped_ptr<aura::test::TestFocusClient> focus_client_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(CastContentWindow);
 };
 
 }  // namespace chromecast
 
 #endif  // CHROMECAST_BROWSER_CAST_CONTENT_WINDOW_H_