[Chromecast] Add input support.

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 <memory>
 
 #include "base/macros.h"
-#include "chromecast/graphics/cast_vsync_settings.h"
 #include "content/public/browser/web_contents_observer.h"
 
-namespace aura {
-class WindowTreeHost;
-}
-
 namespace content {
 class BrowserContext;
 class WebContents;
 }
 
-namespace gfx {
-class Size;
-}
-
 namespace chromecast {
 namespace shell {
 
-class CastContentWindow : public content::WebContentsObserver,
-                          public CastVSyncSettings::Observer {
+class CastContentWindow : public content::WebContentsObserver {

[derekjchow1, 2016/10/24 22:43:09]

Is this class used publically anymore?

  public:
   CastContentWindow();
 
   // Removes the window from the screen.
   ~CastContentWindow() override;
 
-  // Sets the window's background to be transparent (call before
-  // CreateWindowTree).
+  // Sets the window's background to be transparent.
   void SetTransparent() { transparent_ = true; }
 
-  // Create a full-screen window for |web_contents|.
-  void CreateWindowTree(content::WebContents* web_contents);
-
   std::unique_ptr<content::WebContents> CreateWebContents(
       content::BrowserContext* browser_context);
 
   // content::WebContentsObserver implementation:
   void DidFirstVisuallyNonEmptyPaint() override;
   void MediaStoppedPlaying(const MediaPlayerId& id) override;
   void MediaStartedPlaying(const MediaPlayerId& id) override;
   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
 
-  // CastVSyncSettings::Observer implementation:
-  void OnVSyncIntervalChanged(base::TimeDelta interval) override;
-
  private:
-#if defined(USE_AURA)
-  std::unique_ptr<aura::WindowTreeHost> window_tree_host_;
-#endif
   bool transparent_;
 
   DISALLOW_COPY_AND_ASSIGN(CastContentWindow);
 };
 
 }  // namespace shell
 }  // namespace chromecast
 
 #endif  // CHROMECAST_BROWSER_CAST_CONTENT_WINDOW_H_