Worker: Consolidate postTask implementation

third_party/WebKit/Source/core/workers/WorkletGlobalScope.h

Index: third_party/WebKit/Source/core/workers/WorkletGlobalScope.h
diff --git a/third_party/WebKit/Source/core/workers/WorkletGlobalScope.h b/third_party/WebKit/Source/core/workers/WorkletGlobalScope.h
index d527e3ca11053a033d7f67e81421d98f6e8aea89..16a3b36eecf994f4edd22af4c4192d0acd47bd87 100644
--- a/third_party/WebKit/Source/core/workers/WorkletGlobalScope.h
+++ b/third_party/WebKit/Source/core/workers/WorkletGlobalScope.h
@@ -74,13 +74,6 @@ class CORE_EXPORT WorkletGlobalScope
     NOTREACHED();
     return nullptr;
   }  // WorkletGlobalScopes don't have timers.
-  void postTask(TaskType,
-                const WebTraceLocation&,
-                std::unique_ptr<ExecutionContextTask>,
-                const String&) override {
-    // TODO(ikilpatrick): implement.
-    NOTREACHED();
-  }
 
   DECLARE_VIRTUAL_TRACE();