Quick fix for TabCapture UI indicator not getting removed after ending the capture

chrome/browser/media/media_stream_capture_indicator.cc

Index: chrome/browser/media/media_stream_capture_indicator.cc
diff --git a/chrome/browser/media/media_stream_capture_indicator.cc b/chrome/browser/media/media_stream_capture_indicator.cc
index 6cc6b5323e0502019e87b08d80edc5f69aaba0a4..14de99795aa4b21b9998682e6f898d44aeac9d0b 100644
--- a/chrome/browser/media/media_stream_capture_indicator.cc
+++ b/chrome/browser/media/media_stream_capture_indicator.cc
@@ -475,6 +475,12 @@ void MediaStreamCaptureIndicator::RemoveCaptureDeviceTab(
     if (iter->audio_ref_count == 0 && iter->video_ref_count == 0 &&
         iter->tab_capture_ref_count == 0)
       tabs_.erase(iter);
+
+    // Notify the cached web_contents if the render view has changed. We expect
+    // that it is still valid since we get a capture indicator removed event
+    // before the web_contents is destroyed.
+    if (!web_contents && iter->web_contents)
+      web_contents = iter->web_contents;
   }
 
   if (web_contents)