Report if video capturing meets output protection requirement.

content/renderer/media/media_stream_video_capturer_source.cc

Index: content/renderer/media/media_stream_video_capturer_source.cc
diff --git a/content/renderer/media/media_stream_video_capturer_source.cc b/content/renderer/media/media_stream_video_capturer_source.cc
index b080ec826df549babe74356c95e481e190ab809c..38d5a2db916ccb610d89fdeb9ee1169117fd179f 100644
--- a/content/renderer/media/media_stream_video_capturer_source.cc
+++ b/content/renderer/media/media_stream_video_capturer_source.cc
@@ -212,6 +212,7 @@ class LocalVideoCapturerSource final : public media::VideoCapturerSource {
                     const RunningCallback& running_callback) override;
   void RequestRefreshFrame() override;
   void StopCapture() override;
+  void SetCapturingLinkSecured(bool is_secure);
 
  private:
   void OnStateUpdate(VideoCaptureState state);
@@ -222,6 +223,8 @@ class LocalVideoCapturerSource final : public media::VideoCapturerSource {
   // |session_id_| identifies the capture device used for this capture session.
   const media::VideoCaptureSessionId session_id_;
 
+  const std::string stream_device_id_;
+
   VideoCaptureImplManager* const manager_;
 
   const base::Closure release_device_cb_;
@@ -250,6 +253,7 @@ class LocalVideoCapturerSource final : public media::VideoCapturerSource {
 LocalVideoCapturerSource::LocalVideoCapturerSource(
     const StreamDeviceInfo& device_info)
     : session_id_(device_info.session_id),
+      stream_device_id_(device_info.device.id),
       manager_(RenderThreadImpl::current()->video_capture_impl_manager()),
       release_device_cb_(manager_->UseDevice(session_id_)),
       is_content_capture_(IsContentVideoCaptureDevice(device_info)),
@@ -318,6 +322,10 @@ void LocalVideoCapturerSource::RequestRefreshFrame() {
   manager_->RequestRefreshFrame(session_id_);
 }
 
+void LocalVideoCapturerSource::SetCapturingLinkSecured(bool is_secure) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  manager_->SetCapturingLinkSecured(session_id_, stream_device_id_, is_secure);
+}
 
 void LocalVideoCapturerSource::StopCapture() {
   DVLOG(3) << __FUNCTION__;
@@ -393,14 +401,15 @@ void LocalVideoCapturerSource::OnDeviceSupportedFormatsEnumerated(
 MediaStreamVideoCapturerSource::MediaStreamVideoCapturerSource(
     const SourceStoppedCallback& stop_callback,
     std::unique_ptr<media::VideoCapturerSource> source)
-    : source_(std::move(source)) {
+    : source_(std::move(source)), is_local_video_capturer_source_(false) {
   SetStopCallback(stop_callback);
 }
 
 MediaStreamVideoCapturerSource::MediaStreamVideoCapturerSource(
     const SourceStoppedCallback& stop_callback,
     const StreamDeviceInfo& device_info)
-    : source_(new LocalVideoCapturerSource(device_info)) {
+    : source_(new LocalVideoCapturerSource(device_info)),
+      is_local_video_capturer_source_(true) {
   SetStopCallback(stop_callback);
   SetDeviceInfo(device_info);
 }
@@ -412,6 +421,12 @@ void MediaStreamVideoCapturerSource::RequestRefreshFrame() {
   source_->RequestRefreshFrame();
 }
 
+void MediaStreamVideoCapturerSource::SetCapturingLinkSecured(bool is_secure) {
+  if (source_ && is_local_video_capturer_source_)
+    static_cast<LocalVideoCapturerSource*>(source_.get())
+        ->SetCapturingLinkSecured(is_secure);
+}
+
 void MediaStreamVideoCapturerSource::GetCurrentSupportedFormats(
     int max_requested_width,
     int max_requested_height,