Oilpan: Enable oilpan for callback classes

Source/modules/mediastream/RTCVoidRequestImpl.cpp

Index: Source/modules/mediastream/RTCVoidRequestImpl.cpp
diff --git a/Source/modules/mediastream/RTCVoidRequestImpl.cpp b/Source/modules/mediastream/RTCVoidRequestImpl.cpp
index 80754675e5037412af644b6a618931a938dde199..24b0cd1c79b618e181dcef079318d393081d619c 100644
--- a/Source/modules/mediastream/RTCVoidRequestImpl.cpp
+++ b/Source/modules/mediastream/RTCVoidRequestImpl.cpp
@@ -37,14 +37,14 @@
 
 namespace blink {
 
-RTCVoidRequestImpl* RTCVoidRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, PassOwnPtrWillBeRawPtr<VoidCallback> successCallback, PassOwnPtrWillBeRawPtr<RTCErrorCallback> errorCallback)
+RTCVoidRequestImpl* RTCVoidRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, VoidCallback* successCallback, RTCErrorCallback* errorCallback)
 {
     RTCVoidRequestImpl* request = new RTCVoidRequestImpl(context, requester, successCallback, errorCallback);
     request->suspendIfNeeded();
     return request;
 }
 
-RTCVoidRequestImpl::RTCVoidRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, PassOwnPtrWillBeRawPtr<VoidCallback> successCallback, PassOwnPtrWillBeRawPtr<RTCErrorCallback> errorCallback)
+RTCVoidRequestImpl::RTCVoidRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, VoidCallback* successCallback, RTCErrorCallback* errorCallback)
     : ActiveDOMObject(context)
     , m_successCallback(successCallback)
     , m_errorCallback(errorCallback)