Move mediastream module to oilpan transition types

Source/modules/mediastream/RTCDataChannel.cpp

Index: Source/modules/mediastream/RTCDataChannel.cpp
diff --git a/Source/modules/mediastream/RTCDataChannel.cpp b/Source/modules/mediastream/RTCDataChannel.cpp
index ddd6416f00cdf3b1762651c3b40e0232ea95b5c5..f970d612c07c29785f5616d06218478f30ada142 100644
--- a/Source/modules/mediastream/RTCDataChannel.cpp
+++ b/Source/modules/mediastream/RTCDataChannel.cpp
@@ -52,20 +52,20 @@ static void throwNoBlobSupportException(ExceptionState& exceptionState)
     exceptionState.throwDOMException(NotSupportedError, "Blob support not implemented yet");
 }
 
-PassRefPtr<RTCDataChannel> RTCDataChannel::create(ExecutionContext* context, PassOwnPtr<blink::WebRTCDataChannelHandler> handler)
+PassRefPtrWillBeRawPtr<RTCDataChannel> RTCDataChannel::create(ExecutionContext* context, PassOwnPtr<blink::WebRTCDataChannelHandler> handler)
 {
     ASSERT(handler);
-    return adoptRef(new RTCDataChannel(context, handler));
+    return adoptRefCountedWillBeRefCountedGarbageCollected(new RTCDataChannel(context, handler));
 }
 
-PassRefPtr<RTCDataChannel> RTCDataChannel::create(ExecutionContext* context, blink::WebRTCPeerConnectionHandler* peerConnectionHandler, const String& label, const blink::WebRTCDataChannelInit& init, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<RTCDataChannel> RTCDataChannel::create(ExecutionContext* context, blink::WebRTCPeerConnectionHandler* peerConnectionHandler, const String& label, const blink::WebRTCDataChannelInit& init, ExceptionState& exceptionState)
 {
     OwnPtr<blink::WebRTCDataChannelHandler> handler = adoptPtr(peerConnectionHandler->createDataChannel(label, init));
     if (!handler) {
         exceptionState.throwDOMException(NotSupportedError, "RTCDataChannel is not supported");
         return nullptr;
     }
-    return adoptRef(new RTCDataChannel(context, handler.release()));
+    return adoptRefCountedWillBeRefCountedGarbageCollected(new RTCDataChannel(context, handler.release()));
 }
 
 RTCDataChannel::RTCDataChannel(ExecutionContext* context, PassOwnPtr<blink::WebRTCDataChannelHandler> handler)