| Index: webrtc/api/mediaconstraintsinterface.cc
 | 
| diff --git a/webrtc/api/mediaconstraintsinterface.cc b/webrtc/api/mediaconstraintsinterface.cc
 | 
| index 6a014a2b039963e71e1828a93e5a4825c29be3b4..7ac7417669cc4d80813ccd1f0de468b08d700b05 100644
 | 
| --- a/webrtc/api/mediaconstraintsinterface.cc
 | 
| +++ b/webrtc/api/mediaconstraintsinterface.cc
 | 
| @@ -48,6 +48,7 @@ const char MediaConstraintsInterface::kExperimentalNoiseSuppression[] =
 | 
|      "googNoiseSuppression2";
 | 
|  const char MediaConstraintsInterface::kIntelligibilityEnhancer[] =
 | 
|      "intelligibilityEnhancer";
 | 
| +const char MediaConstraintsInterface::kLevelControl[] = "levelControl";
 | 
|  const char MediaConstraintsInterface::kHighpassFilter[] =
 | 
|      "googHighpassFilter";
 | 
|  const char MediaConstraintsInterface::kTypingNoiseDetection[] =
 | 
| 
 |