Extend VideoCaptureDevice::Client::OnError() to have a tracked_objects::Location param.

media/capture/video/file_video_capture_device.cc

Index: media/capture/video/file_video_capture_device.cc
diff --git a/media/capture/video/file_video_capture_device.cc b/media/capture/video/file_video_capture_device.cc
index 073c0a13254c68dfec20c82ad454af3481395f68..d241cc3930f03db0dfcea6fea9929ce4d73e0df0 100644
--- a/media/capture/video/file_video_capture_device.cc
+++ b/media/capture/video/file_video_capture_device.cc
@@ -333,7 +333,7 @@ void FileVideoCaptureDevice::OnAllocateAndStart(
   DCHECK(!file_parser_);
   file_parser_ = GetVideoFileParser(file_path_, &capture_format_);
   if (!file_parser_) {
-    client_->OnError("Could not open Video file");
+    client_->OnError(FROM_HERE, "Could not open Video file");
     return;
   }