Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/WorkerRuntimeAgent.h

Index: Source/core/inspector/WorkerRuntimeAgent.h
diff --git a/Source/core/inspector/WorkerRuntimeAgent.h b/Source/core/inspector/WorkerRuntimeAgent.h
index 2ad5f0ac52244210cff5c1d510e60b4fe73ac823..097774d25595cffb923b8ab12238662b6fd13ba0 100644
--- a/Source/core/inspector/WorkerRuntimeAgent.h
+++ b/Source/core/inspector/WorkerRuntimeAgent.h
@@ -40,9 +40,9 @@ class WorkerGlobalScope;
 
 class WorkerRuntimeAgent FINAL : public InspectorRuntimeAgent {
 public:
-    static PassOwnPtr<WorkerRuntimeAgent> create(InjectedScriptManager* injectedScriptManager, ScriptDebugServer* scriptDebugServer, WorkerGlobalScope* context)
+    static PassOwnPtrWillBeRawPtr<WorkerRuntimeAgent> create(InjectedScriptManager* injectedScriptManager, ScriptDebugServer* scriptDebugServer, WorkerGlobalScope* context)
     {
-        return adoptPtr(new WorkerRuntimeAgent(injectedScriptManager, scriptDebugServer, context));
+        return adoptPtrWillBeNoop(new WorkerRuntimeAgent(injectedScriptManager, scriptDebugServer, context));
     }
     virtual ~WorkerRuntimeAgent();