| Index: content/child/runtime_features.cc
 | 
| diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
 | 
| index 668dc0fe0a993324877c18a1b55f017067151ea9..0d3cce2a86c225454fa83a1884148b1accab7fde 100644
 | 
| --- a/content/child/runtime_features.cc
 | 
| +++ b/content/child/runtime_features.cc
 | 
| @@ -304,6 +304,10 @@ void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
 | 
|        base::FeatureList::IsEnabled(
 | 
|            features::kFramebustingNeedsSameOriginOrUserGesture));
 | 
|  
 | 
| +  WebRuntimeFeatures::EnableFeatureFromString(
 | 
| +      "VibrateRequiresUserGesture",
 | 
| +      base::FeatureList::IsEnabled(features::kVibrateRequiresUserGesture));
 | 
| +
 | 
|    if (command_line.HasSwitch(switches::kDisableBackgroundTimerThrottling))
 | 
|      WebRuntimeFeatures::EnableTimerThrottlingForBackgroundTabs(false);
 | 
|  
 | 
| 
 |