    // True when waiting for |desktop_capturer_| to capture current frame.
    bool capture_in_progress_;
  
-@@ -167,6 +193,7 @@ DesktopCaptureDevice::Core::Core(
+@@ -168,6 +194,7 @@ DesktopCaptureDevice::Core::Core(
      DesktopMediaID::Type type)
      : task_runner_(task_runner),
        desktop_capturer_(std::move(capturer)),

 
 webrtc::DesktopRect ComputeLetterboxRect(
     const webrtc::DesktopSize& max_size,
@@ -77,6 +78,25 @@ std::unique_ptr<service_manager::Connector> GetServiceConnector() {
   return connector->Clone();
 }
 

 }  // namespace
 
 class DesktopCaptureDevice::Core : public webrtc::DesktopCapturer::Callback {
@@ -124,6 +144,9 @@ class DesktopCaptureDevice::Core : public webrtc::DesktopCapturer::Callback {
   // Requested video capture frame rate.
   float requested_frame_rate_;
 
