| Index: third_party/WebKit/Source/core/core.gypi
 | 
| diff --git a/third_party/WebKit/Source/core/core.gypi b/third_party/WebKit/Source/core/core.gypi
 | 
| index 294fefea471541947a90b13bea291eae8f5ceae2..ef2d0722d7e45ef88eb6f838ca3c49f6167453d5 100644
 | 
| --- a/third_party/WebKit/Source/core/core.gypi
 | 
| +++ b/third_party/WebKit/Source/core/core.gypi
 | 
| @@ -2289,6 +2289,8 @@
 | 
|              'workers/WorkerScriptLoader.h',
 | 
|              'workers/WorkerThread.cpp',
 | 
|              'workers/WorkerThread.h',
 | 
| +            'workers/WorkerThreadLifecycleObserver.cpp',
 | 
| +            'workers/WorkerThreadLifecycleObserver.h',
 | 
|              'workers/WorkerThreadStartupData.cpp',
 | 
|              'workers/WorkerThreadStartupData.h',
 | 
|              'workers/WorkletGlobalScope.cpp',
 | 
| 
 |