Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/WorkerConsoleAgent.h

Index: Source/core/inspector/WorkerConsoleAgent.h
diff --git a/Source/core/inspector/WorkerConsoleAgent.h b/Source/core/inspector/WorkerConsoleAgent.h
index 676a42aff79625575a462eebc376fca432e7e94f..c4cda6c964463fdab05730333ad3d05510997ad0 100644
--- a/Source/core/inspector/WorkerConsoleAgent.h
+++ b/Source/core/inspector/WorkerConsoleAgent.h
@@ -39,9 +39,9 @@ namespace WebCore {
 class WorkerConsoleAgent FINAL : public InspectorConsoleAgent {
     WTF_MAKE_NONCOPYABLE(WorkerConsoleAgent);
 public:
-    static PassOwnPtr<WorkerConsoleAgent> create(InspectorTimelineAgent* timelineAgent, InjectedScriptManager* injectedScriptManager)
+    static PassOwnPtrWillBeRawPtr<WorkerConsoleAgent> create(InspectorTimelineAgent* timelineAgent, InjectedScriptManager* injectedScriptManager)
     {
-        return adoptPtr(new WorkerConsoleAgent(timelineAgent, injectedScriptManager));
+        return adoptPtrWillBeNoop(new WorkerConsoleAgent(timelineAgent, injectedScriptManager));
     }
     virtual ~WorkerConsoleAgent();