Adding counters for the types of Media Constraints.

third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.idl

 /*
  * 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 103 matching lines @@
     // argument.
     [CallWith=ExecutionContext, LegacyInterfaceTypeChecking] void getStats(RTCStatsCallback successCallback, [Default=Undefined] optional MediaStreamTrack selector);
 
     // https://w3c.github.io/webrtc-pc/#peer-to-peer-data-api
     // TODO(guidou): The label argument should have [TreatNullAs=EmptyString]
     // and be non-nullable.
     [RaisesException] RTCDataChannel createDataChannel([TreatUndefinedAs=NullString] DOMString? label, optional Dictionary options);
     attribute EventHandler ondatachannel;
 
     // Non-standard or removed from the spec:
-    [RaisesException] void updateIce(optional Dictionary configuration, optional Dictionary mediaConstraints);
+    [CallWith=ExecutionContext, RaisesException] void updateIce(optional Dictionary configuration, optional Dictionary mediaConstraints);
     sequence<MediaStream> getLocalStreams();
     sequence<MediaStream> getRemoteStreams();
     MediaStream getStreamById(DOMString streamId);
-    [RaisesException] void addStream(MediaStream? stream, optional Dictionary mediaConstraints);
+    [CallWith=ExecutionContext, RaisesException] void addStream(MediaStream? stream, optional Dictionary mediaConstraints);
     [RaisesException] void removeStream(MediaStream? stream);
     [RaisesException] RTCDTMFSender createDTMFSender(MediaStreamTrack track);
     attribute EventHandler onaddstream;
     attribute EventHandler onremovestream;
 
     // Certificate management
     // http://w3c.github.io/webrtc-pc/#sec.cert-mgmt
     [RaisesException, CallWith=ScriptState] static Promise<RTCCertificate> generateCertificate(AlgorithmIdentifier keygenAlgorithm);
 };