New PeerConnection handler in Chrome to support latest PeerConnection draft

content/renderer/media/webrtc_uma_histograms.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_UMA_HISTOGRAMS_H_
 #define CONTENT_RENDERER_MEDIA_WEBRTC_UMA_HISTOGRAMS_H_
 
 #include "base/metrics/histogram.h"
 
 namespace {
 
 // Helper enum used for histogramming calls to WebRTC APIs from JavaScript.
 enum JavaScriptAPIName {
   WEBKIT_GET_USER_MEDIA,
   WEBKIT_PEER_CONNECTION,
+  WEBKIT_DEPRECATED_PEER_CONNECTION,
+  WEBKIT_RTC_PEER_CONNECTION,
   INVALID_NAME
 };
 
 // Helper method used to collect information about the number of times
 // different WebRTC API:s are called from JavaScript.
 // The histogram can be viewed at chrome://histograms/WebRTC.webkitApiCount.
 void UpdateWebRTCMethodCount(JavaScriptAPIName api_name) {
   UMA_HISTOGRAM_ENUMERATION("WebRTC.webkitApiCount", api_name, INVALID_NAME);
 }
 
 } //  namespace
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_UMA_HISTOGRAMS_H_