Update libjingle to 50191337.

R=mallinath@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1885005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4461 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/media/webrtc/webrtcvideoengine.h b/talk/media/webrtc/webrtcvideoengine.h
index 2f0fd3e..f0293bb 100644
--- a/talk/media/webrtc/webrtcvideoengine.h
+++ b/talk/media/webrtc/webrtcvideoengine.h
@@ -396,6 +396,9 @@
                           const std::vector<RtpHeaderExtension>& extensions,
                           const char header_extension_uri[]);
 
+  // Signal when cpu adaptation has no further scope to adapt.
+  void OnCpuAdaptationUnable();
+
   // Global state.
   WebRtcVideoEngine* engine_;
   VoiceMediaChannel* voice_channel_;