ScreenCapture for Android phase1, part II

content/browser/renderer_host/media/peer_connection_tracker_host.h

 // Copyright (c) 2013 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_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "base/power_monitor/power_observer.h"
+#include "base/synchronization/lock.h"
 #include "content/public/browser/browser_message_filter.h"
 
 struct PeerConnectionInfo;
+struct VideoInfo;
 
 namespace base {
 class ListValue;
 }  // namespace base
 
 namespace content {
 
 class WebRTCEventLogHost;
 
 // This class is the host for PeerConnectionTracker in the browser process
@@ skipping 22 matching lines @@
 
  private:
   // Handlers for peer connection messages coming from the renderer.
   void OnAddPeerConnection(const PeerConnectionInfo& info);
   void OnRemovePeerConnection(int lid);
   void OnUpdatePeerConnection(
       int lid, const std::string& type, const std::string& value);
   void OnAddStats(int lid, const base::ListValue& value);
   void OnGetUserMedia(const std::string& origin,
                       bool audio,
-                      bool video,
+                      const VideoInfo& video_info,
                       const std::string& audio_constraints,
                       const std::string& video_constraints);
   void SendOnSuspendOnUIThread();
+  bool IsScreenCapture(const std::string& video_constraints);
 
   int render_process_id_;
+  bool is_screen_capture_;
 
+  base::Lock lock_;

[Sergey Ulanov, 2016/08/19 05:54:15]

Add a comment to explain why this lock is necessary.

[braveyao, 2016/08/23 21:18:55]

Done.

   base::WeakPtr<WebRTCEventLogHost> event_log_host_;
 
   DISALLOW_COPY_AND_ASSIGN(PeerConnectionTrackerHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_