Worklet: Enable module script loading for main thread worklets

third_party/WebKit/Source/core/dom/TaskRunnerHelper.cpp

Index: third_party/WebKit/Source/core/dom/TaskRunnerHelper.cpp
diff --git a/third_party/WebKit/Source/core/dom/TaskRunnerHelper.cpp b/third_party/WebKit/Source/core/dom/TaskRunnerHelper.cpp
index 30c377d4117dc0377a97d072ba1726253bbaa60d..05dbf0c2daeee0c26116ad0cdc70ca343a8dfa3a 100644
--- a/third_party/WebKit/Source/core/dom/TaskRunnerHelper.cpp
+++ b/third_party/WebKit/Source/core/dom/TaskRunnerHelper.cpp
@@ -7,6 +7,7 @@
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/LocalFrame.h"
+#include "core/workers/MainThreadWorkletGlobalScope.h"
 #include "core/workers/WorkerOrWorkletGlobalScope.h"
 #include "core/workers/WorkerThread.h"
 #include "platform/WebFrameScheduler.h"
@@ -71,6 +72,10 @@ RefPtr<WebTaskRunner> TaskRunnerHelper::Get(
     return Get(type, ToDocument(executionContext));
   if (executionContext->IsDocument())
     return Get(type, ToDocument(executionContext));
+  if (executionContext->IsMainThreadWorkletGlobalScope()) {
+    return Get(type,
+               ToMainThreadWorkletGlobalScope(executionContext)->GetFrame());
+  }
   if (executionContext->IsWorkerOrWorkletGlobalScope())
     return Get(type, ToWorkerOrWorkletGlobalScope(executionContext));
   executionContext = nullptr;