Log error messages in windows video capture

media/video/capture/win/video_capture_device_mf_win.cc

Index: media/video/capture/win/video_capture_device_mf_win.cc
diff --git a/media/video/capture/win/video_capture_device_mf_win.cc b/media/video/capture/win/video_capture_device_mf_win.cc
index de1f6eb2dfff6056305637b94937a86eedae0b95..164f350bf35b9b94b7264ab096a4f0636e79a286 100644
--- a/media/video/capture/win/video_capture_device_mf_win.cc
+++ b/media/video/capture/win/video_capture_device_mf_win.cc
@@ -332,10 +332,10 @@ void VideoCaptureDeviceMFWin::OnIncomingCapturedData(
 }
 
 void VideoCaptureDeviceMFWin::OnError(HRESULT hr) {
-  std::string log_msg = base::StringPrintf("VideoCaptureDeviceMFWin: %x", hr);
-  DLOG(ERROR) << log_msg;
+  const std::string reason =

[tommi (sloooow) - chröme, 2014/08/28 08:48:46]

move this variable into the scope below.
(alternatively, you can skip using an explicit variable and pass the return
value of StringPrintf() to OnError())

+      base::StringPrintf("VideoCaptureDeviceMFWin: %x", hr);
   if (client_.get())
-    client_->OnError(log_msg);
+    client_->OnError(reason);
 }
 
 }  // namespace media