| Index: content/child/runtime_features.cc | 
| diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc | 
| index c8b48ed5dd405ef9117c53e97313369cb2371b36..28f94df36a106c06b2ac9722e06a28d97c2a0172 100644 | 
| --- a/content/child/runtime_features.cc | 
| +++ b/content/child/runtime_features.cc | 
| @@ -147,6 +147,8 @@ void SetRuntimeFeaturesDefaultsAndUpdateFromArgs( | 
|  | 
| if (command_line.HasSwitch(switches::kDisableDisplayList2dCanvas)) { | 
| WebRuntimeFeatures::enableDisplayList2dCanvas(false); | 
| +  } else if (command_line.HasSwitch(switches::kForceDisplayList2dCanvas)) { | 
| +    WebRuntimeFeatures::forceDisplayList2dCanvas(true); | 
| } else if (command_line.HasSwitch(switches::kEnableDisplayList2dCanvas)) { | 
| WebRuntimeFeatures::enableDisplayList2dCanvas(true); | 
| } else { | 
|  |