Worker: Stop running worker tests with BlinkGC::MainThreadHeapMode

third_party/WebKit/Source/core/workers/SharedWorkerThread.cpp

Index: third_party/WebKit/Source/core/workers/SharedWorkerThread.cpp
diff --git a/third_party/WebKit/Source/core/workers/SharedWorkerThread.cpp b/third_party/WebKit/Source/core/workers/SharedWorkerThread.cpp
index d7878b80a50065d47291953d72a7bcc23a6575a5..c9a5e3a1c3054a3666564c011470a4512e138e9d 100644
--- a/third_party/WebKit/Source/core/workers/SharedWorkerThread.cpp
+++ b/third_party/WebKit/Source/core/workers/SharedWorkerThread.cpp
@@ -51,9 +51,7 @@ SharedWorkerThread::SharedWorkerThread(
     PassRefPtr<WorkerLoaderProxy> workerLoaderProxy,
     WorkerReportingProxy& workerReportingProxy)
     : WorkerThread(std::move(workerLoaderProxy), workerReportingProxy),
-      m_workerBackingThread(
-          WorkerBackingThread::create("SharedWorker Thread",
-                                      BlinkGC::PerThreadHeapMode)),
+      m_workerBackingThread(WorkerBackingThread::create("SharedWorker Thread")),
       m_name(name.isolatedCopy()) {}
 
 SharedWorkerThread::~SharedWorkerThread() {}