Oilpan: Move WorkerClients to the managed heap and trace its supplements.

Source/modules/serviceworkers/ServiceWorkerGlobalScope.cpp

Index: Source/modules/serviceworkers/ServiceWorkerGlobalScope.cpp
diff --git a/Source/modules/serviceworkers/ServiceWorkerGlobalScope.cpp b/Source/modules/serviceworkers/ServiceWorkerGlobalScope.cpp
index b676da217e784101218d02a08fa81fe58f80ee80..a8fcaa8e1e072d84b6707b19a935815a13f11c33 100644
--- a/Source/modules/serviceworkers/ServiceWorkerGlobalScope.cpp
+++ b/Source/modules/serviceworkers/ServiceWorkerGlobalScope.cpp
@@ -47,7 +47,7 @@ PassRefPtrWillBeRawPtr<ServiceWorkerGlobalScope> ServiceWorkerGlobalScope::creat
     return context.release();
 }
 
-ServiceWorkerGlobalScope::ServiceWorkerGlobalScope(const KURL& url, const String& userAgent, ServiceWorkerThread* thread, double timeOrigin, PassOwnPtr<WorkerClients> workerClients) :
+ServiceWorkerGlobalScope::ServiceWorkerGlobalScope(const KURL& url, const String& userAgent, ServiceWorkerThread* thread, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients) :
     WorkerGlobalScope(url, userAgent, thread, timeOrigin, workerClients)
 {
     ScriptWrappable::init(this);