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

Source/core/workers/DedicatedWorkerGlobalScope.cpp

Index: Source/core/workers/DedicatedWorkerGlobalScope.cpp
diff --git a/Source/core/workers/DedicatedWorkerGlobalScope.cpp b/Source/core/workers/DedicatedWorkerGlobalScope.cpp
index 8acf5af936ce7162fd85662262a90f9c4542c01f..357ca79f4e1cafceb28918280d18aed9bac204e2 100644
--- a/Source/core/workers/DedicatedWorkerGlobalScope.cpp
+++ b/Source/core/workers/DedicatedWorkerGlobalScope.cpp
@@ -48,7 +48,7 @@ PassRefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> DedicatedWorkerGlobalScope::c
     return context.release();
 }
 
-DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope(const KURL& url, const String& userAgent, DedicatedWorkerThread* thread, double timeOrigin, PassOwnPtr<WorkerClients> workerClients)
+DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope(const KURL& url, const String& userAgent, DedicatedWorkerThread* thread, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients)
     : WorkerGlobalScope(url, userAgent, thread, timeOrigin, workerClients)
 {
     ScriptWrappable::init(this);