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

media/capture/video/linux/video_capture_device_linux.cc

Index: media/capture/video/linux/video_capture_device_linux.cc
diff --git a/media/capture/video/linux/video_capture_device_linux.cc b/media/capture/video/linux/video_capture_device_linux.cc
index cbf2b490d728bf32d27c1758c33c6078359b9f95..0d55d275a308ecaeb76964b1ab5b693116714365 100644
--- a/media/capture/video/linux/video_capture_device_linux.cc
+++ b/media/capture/video/linux/video_capture_device_linux.cc
@@ -101,7 +101,7 @@ void VideoCaptureDeviceLinux::AllocateAndStart(
   capture_impl_ = V4L2CaptureDelegate::CreateV4L2CaptureDelegate(
       device_name_, v4l2_thread_.task_runner(), line_frequency);
   if (!capture_impl_) {
-    client->OnError("Failed to create VideoCaptureDelegate");
+    client->OnError(FROM_HERE, "Failed to create VideoCaptureDelegate");
     return;
   }
   v4l2_thread_.message_loop()->PostTask(