WTF::notFound looks too much like a local variable.

Source/modules/mediastream/RTCPeerConnection.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 400 matching lines @@
     }
 
     if (!prpStream) {
         es.throwDOMException(TypeMismatchError);
         return;
     }
 
     RefPtr<MediaStream> stream = prpStream;
 
     size_t pos = m_localStreams.find(stream);
-    if (pos == notFound)
+    if (pos == kNotFound)
         return;
 
     m_localStreams.remove(pos);
 
     m_peerHandler->removeStream(stream->descriptor());
 }
 
 MediaStreamVector RTCPeerConnection::getLocalStreams() const
 {
     return m_localStreams;
@@ skipping 156 matching lines @@
     ASSERT(scriptExecutionContext()->isContextThread());
     ASSERT(streamDescriptor->client());
 
     RefPtr<MediaStream> stream = static_cast<MediaStream*>(streamDescriptor->client());
     stream->streamEnded();
 
     if (m_signalingState == SignalingStateClosed)
         return;
 
     size_t pos = m_remoteStreams.find(stream);
-    ASSERT(pos != notFound);
+    ASSERT(pos != kNotFound);
     m_remoteStreams.remove(pos);
 
     scheduleDispatchEvent(MediaStreamEvent::create(eventNames().removestreamEvent, false, false, stream.release()));
 }
 
 void RTCPeerConnection::didAddRemoteDataChannel(PassOwnPtr<RTCDataChannelHandler> handler)
 {
     ASSERT(scriptExecutionContext()->isContextThread());
 
     if (m_signalingState == SignalingStateClosed)
@@ skipping 77 matching lines @@
     events.swap(m_scheduledEvents);
 
     Vector<RefPtr<Event> >::iterator it = events.begin();
     for (; it != events.end(); ++it)
         dispatchEvent((*it).release());
 
     events.clear();
 }
 
 } // namespace WebCore