Make IDL Callbacks non-refcounted by default

Source/modules/mediastream/RTCPeerConnection.cpp

Index: Source/modules/mediastream/RTCPeerConnection.cpp
diff --git a/Source/modules/mediastream/RTCPeerConnection.cpp b/Source/modules/mediastream/RTCPeerConnection.cpp
index d1902e29e3876dc11771ec85497c0e15b80531c6..9fe2640f61aa9dbe163ca7cbd14867ddcc26c964 100644
--- a/Source/modules/mediastream/RTCPeerConnection.cpp
+++ b/Source/modules/mediastream/RTCPeerConnection.cpp
@@ -166,7 +166,7 @@ RTCPeerConnection::~RTCPeerConnection()
     stop();
 }
 
-void RTCPeerConnection::createOffer(PassRefPtr<RTCSessionDescriptionCallback> successCallback, PassRefPtr<RTCErrorCallback> errorCallback, const Dictionary& mediaConstraints, ExceptionState& exceptionState)
+void RTCPeerConnection::createOffer(PassOwnPtr<RTCSessionDescriptionCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback, const Dictionary& mediaConstraints, ExceptionState& exceptionState)
 {
     if (m_signalingState == SignalingStateClosed) {
         exceptionState.throwUninformativeAndGenericDOMException(InvalidStateError);
@@ -186,7 +186,7 @@ void RTCPeerConnection::createOffer(PassRefPtr<RTCSessionDescriptionCallback> su
     m_peerHandler->createOffer(request.release(), constraints);
 }
 
-void RTCPeerConnection::createAnswer(PassRefPtr<RTCSessionDescriptionCallback> successCallback, PassRefPtr<RTCErrorCallback> errorCallback, const Dictionary& mediaConstraints, ExceptionState& exceptionState)
+void RTCPeerConnection::createAnswer(PassOwnPtr<RTCSessionDescriptionCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback, const Dictionary& mediaConstraints, ExceptionState& exceptionState)
 {
     if (m_signalingState == SignalingStateClosed) {
         exceptionState.throwUninformativeAndGenericDOMException(InvalidStateError);
@@ -206,7 +206,7 @@ void RTCPeerConnection::createAnswer(PassRefPtr<RTCSessionDescriptionCallback> s
     m_peerHandler->createAnswer(request.release(), constraints.release());
 }
 
-void RTCPeerConnection::setLocalDescription(PassRefPtr<RTCSessionDescription> prpSessionDescription, PassRefPtr<VoidCallback> successCallback, PassRefPtr<RTCErrorCallback> errorCallback, ExceptionState& exceptionState)
+void RTCPeerConnection::setLocalDescription(PassRefPtr<RTCSessionDescription> prpSessionDescription, PassRefPtr<VoidCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback, ExceptionState& exceptionState)
 {
     if (m_signalingState == SignalingStateClosed) {
         exceptionState.throwUninformativeAndGenericDOMException(InvalidStateError);
@@ -233,7 +233,7 @@ PassRefPtr<RTCSessionDescription> RTCPeerConnection::localDescription(ExceptionS
     return sessionDescription.release();
 }
 
-void RTCPeerConnection::setRemoteDescription(PassRefPtr<RTCSessionDescription> prpSessionDescription, PassRefPtr<VoidCallback> successCallback, PassRefPtr<RTCErrorCallback> errorCallback, ExceptionState& exceptionState)
+void RTCPeerConnection::setRemoteDescription(PassRefPtr<RTCSessionDescription> prpSessionDescription, PassRefPtr<VoidCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback, ExceptionState& exceptionState)
 {
     if (m_signalingState == SignalingStateClosed) {
         exceptionState.throwUninformativeAndGenericDOMException(InvalidStateError);
@@ -297,7 +297,7 @@ void RTCPeerConnection::addIceCandidate(RTCIceCandidate* iceCandidate, Exception
         exceptionState.throwUninformativeAndGenericDOMException(SyntaxError);
 }
 
-void RTCPeerConnection::addIceCandidate(RTCIceCandidate* iceCandidate, PassRefPtr<VoidCallback> successCallback, PassRefPtr<RTCErrorCallback> errorCallback, ExceptionState& exceptionState)
+void RTCPeerConnection::addIceCandidate(RTCIceCandidate* iceCandidate, PassRefPtr<VoidCallback> successCallback, PassOwnPtr<RTCErrorCallback> errorCallback, ExceptionState& exceptionState)
 {
     if (m_signalingState == SignalingStateClosed) {
         exceptionState.throwUninformativeAndGenericDOMException(InvalidStateError);
@@ -450,7 +450,7 @@ MediaStream* RTCPeerConnection::getStreamById(const String& streamId)
     return 0;
 }
 
-void RTCPeerConnection::getStats(PassRefPtr<RTCStatsCallback> successCallback, PassRefPtr<MediaStreamTrack> selector)
+void RTCPeerConnection::getStats(PassOwnPtr<RTCStatsCallback> successCallback, PassRefPtr<MediaStreamTrack> selector)
 {
     RefPtr<RTCStatsRequestImpl> statsRequest = RTCStatsRequestImpl::create(executionContext(), successCallback, selector);
     // FIXME: Add passing selector as part of the statsRequest.