Video Capture: Allow suspension of individual devices.

content/browser/renderer_host/media/video_capture_host.cc

Index: content/browser/renderer_host/media/video_capture_host.cc
diff --git a/content/browser/renderer_host/media/video_capture_host.cc b/content/browser/renderer_host/media/video_capture_host.cc
index 20e34a2d6785773fb6af5650548d3e13af479a37..e435cc57153d4ccbb6610f7638b291c51779b88a 100644
--- a/content/browser/renderer_host/media/video_capture_host.cc
+++ b/content/browser/renderer_host/media/video_capture_host.cc
@@ -243,6 +243,8 @@ void VideoCaptureHost::OnPauseCapture(int device_id) {
   if (it->second) {

[mcasas, 2016/09/28 21:34:43]

prefer early return?
if (!it->second)
  return;
// ...

here an in l.266

[miu, 2016/09/28 22:35:15]

Done.

     media_stream_manager_->video_capture_manager()->PauseCaptureForClient(
         it->second.get(), controller_id, this);
+    Send(new VideoCaptureMsg_StateChanged(device_id,
+                                          VIDEO_CAPTURE_STATE_PAUSED));
   }
 }
 
@@ -261,6 +263,8 @@ void VideoCaptureHost::OnResumeCapture(
   if (it->second) {
     media_stream_manager_->video_capture_manager()->ResumeCaptureForClient(
         session_id, params, it->second.get(), controller_id, this);
+    Send(new VideoCaptureMsg_StateChanged(device_id,
+                                          VIDEO_CAPTURE_STATE_RESUMED));
   }
 }