Worker: Consolidate postTask implementation

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

Index: third_party/WebKit/Source/core/workers/ThreadedWorkletGlobalScope.h
diff --git a/third_party/WebKit/Source/core/workers/ThreadedWorkletGlobalScope.h b/third_party/WebKit/Source/core/workers/ThreadedWorkletGlobalScope.h
index 6ba296ffd983729601fa96edc954636f3190b2c2..2836af7638ddfc90e72139c0b34e205bac875610 100644
--- a/third_party/WebKit/Source/core/workers/ThreadedWorkletGlobalScope.h
+++ b/third_party/WebKit/Source/core/workers/ThreadedWorkletGlobalScope.h
@@ -22,10 +22,6 @@ class CORE_EXPORT ThreadedWorkletGlobalScope : public WorkletGlobalScope {
   // ExecutionContext
   bool isThreadedWorkletGlobalScope() const final { return true; }
   bool isContextThread() const final;
-  void postTask(TaskType,
-                const WebTraceLocation&,
-                std::unique_ptr<ExecutionContextTask>,
-                const String& taskNameForInstrumentation) final;
   void addConsoleMessage(ConsoleMessage*) final;
   void exceptionThrown(ErrorEvent*) final;