Make inspector-protocol/debugger/debugger-step-into-dedicated-worker.html not timeout

Source/core/workers/WorkerThread.cpp

Index: Source/core/workers/WorkerThread.cpp
diff --git a/Source/core/workers/WorkerThread.cpp b/Source/core/workers/WorkerThread.cpp
index d3b4156f03aa9f4e4999b71dfed1ec6575cbcd0a..d0e48320d596ffc3411ed914af1895950e42816a 100644
--- a/Source/core/workers/WorkerThread.cpp
+++ b/Source/core/workers/WorkerThread.cpp
@@ -236,8 +236,7 @@ void WorkerThread::initialize(PassOwnPtr<WorkerThreadStartupData> startupData)
     WorkerScriptController* script = m_workerGlobalScope->script();
     if (!script->isExecutionForbidden())
         script->initializeContextIfNeeded();
-    if (startMode == PauseWorkerGlobalScopeOnStart)
-        m_workerGlobalScope->workerInspectorController()->pauseOnStart();
+    m_workerGlobalScope->workerInspectorController()->workerContextInitialized(startMode == PauseWorkerGlobalScopeOnStart);
 
     OwnPtr<CachedMetadataHandler> handler(workerGlobalScope()->createWorkerScriptCachedMetadataHandler(scriptURL, cachedMetaData.get()));
     bool success = script->evaluate(ScriptSourceCode(sourceCode, scriptURL), nullptr, handler.get(), v8CacheOptions);