Plumb audio focus support for spitzer clients.

content/browser/media/android/media_web_contents_observer_android.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 CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_WEB_CONTENTS_OBSERVER_ANDROID_H_
 #define CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_WEB_CONTENTS_OBSERVER_ANDROID_H_
 
 #include <stdint.h>
 
 #include "base/containers/scoped_ptr_hash_map.h"
@@ skipping 40 matching lines @@
 
 #if defined(VIDEO_HOLE)
   void OnFrameInfoUpdated();
 #endif  // defined(VIDEO_HOLE)
 
   // MediaWebContentsObserverAndroid overrides.
   void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
   bool OnMessageReceived(const IPC::Message& message,
                          RenderFrameHost* render_frame_host) override;
 
+ protected:
+  void CheckFocus(int render_frame_id,
+                  const base::Closure& on_focus_cb) override;
+
  private:
   // Handles messages for the media player delegate; does not modify the handled
   // state since the superclass needs to handle these as well.
   void OnMediaPlayerDelegateMessageReceived(const IPC::Message& msg,
                                             RenderFrameHost* render_frame_host);
   void OnMediaDestroyedNotification(RenderFrameHost* render_frame_host,
                                     int64_t player_cookie);
   void OnMediaPlayingNotification(RenderFrameHost* render_frame_host,
                                   int64_t player_cookie,
                                   bool has_video,
@@ skipping 24 matching lines @@
   using MediaSessionManagerMap =
       base::ScopedPtrHashMap<RenderFrameHost*,
                              scoped_ptr<BrowserMediaSessionManager>>;
   MediaSessionManagerMap media_session_managers_;
 
   // Map of renderer side media players to session controllers.
   using MediaSessionMap =
       std::map<MediaPlayerId, scoped_ptr<MediaSessionController>>;
   MediaSessionMap media_session_map_;
 
+  // Map of deferred focus callbacks needing fulfillment.
+  std::map<int, std::vector<base::Closure>> deferred_focus_cbs_;
+
   DISALLOW_COPY_AND_ASSIGN(MediaWebContentsObserverAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_ANDROID_MEDIA_WEB_CONTENTS_OBSERVER_ANDROID_H_