WorkerThread: drop unnecessary interfaces to simplify

Source/core/workers/WorkerMessagingProxy.cpp

Index: Source/core/workers/WorkerMessagingProxy.cpp
diff --git a/Source/core/workers/WorkerMessagingProxy.cpp b/Source/core/workers/WorkerMessagingProxy.cpp
index 8f45da7e79d4f0cd6e4486cb632346544591023e..01d1ef8b48c0cbd631bfe9427f11bf6aa3df8e42 100644
--- a/Source/core/workers/WorkerMessagingProxy.cpp
+++ b/Source/core/workers/WorkerMessagingProxy.cpp
@@ -233,7 +233,7 @@ void WorkerMessagingProxy::terminateWorkerGlobalScope()
     m_askedToTerminate = true;
 
     if (m_workerThread)
-        m_workerThread->stop();
+        m_workerThread->terminate();
 
     terminateInternally();
 }