Revert 182826 "Oilpan: Move MediaStreamSource, MediaStreamCompon..."

trunk/Source/platform/exported/WebMediaStream.cpp

Index: trunk/Source/platform/exported/WebMediaStream.cpp
===================================================================
--- trunk/Source/platform/exported/WebMediaStream.cpp	(revision 183662)
+++ trunk/Source/platform/exported/WebMediaStream.cpp	(working copy)
@@ -53,6 +53,11 @@
 
 } // namespace
 
+WebMediaStream::WebMediaStream(const PassRefPtr<MediaStreamDescriptor>& mediaStreamDescriptor)
+    : m_private(mediaStreamDescriptor)
+{
+}
+
 WebMediaStream::WebMediaStream(MediaStreamDescriptor* mediaStreamDescriptor)
     : m_private(mediaStreamDescriptor)
 {
@@ -111,12 +116,17 @@
     m_private->removeRemoteTrack(track);
 }
 
-WebMediaStream& WebMediaStream::operator=(MediaStreamDescriptor* mediaStreamDescriptor)
+WebMediaStream& WebMediaStream::operator=(const PassRefPtr<MediaStreamDescriptor>& mediaStreamDescriptor)
 {
     m_private = mediaStreamDescriptor;
     return *this;
 }
 
+WebMediaStream::operator PassRefPtr<MediaStreamDescriptor>() const
+{
+    return m_private.get();
+}
+
 WebMediaStream::operator MediaStreamDescriptor*() const
 {
     return m_private.get();