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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_UMA_HISTOGRAMS_H_
      6 #define CONTENT_RENDERER_MEDIA_WEBRTC_UMA_HISTOGRAMS_H_
      7 
      8 #include "base/metrics/histogram.h"
      9 
     10 namespace content {
     11 
     12 // Helper enum used for histogramming calls to WebRTC APIs from JavaScript.
     13 enum JavaScriptAPIName {
     14   WEBKIT_GET_USER_MEDIA,
     15   WEBKIT_PEER_CONNECTION,
     16   WEBKIT_DEPRECATED_PEER_CONNECTION,
     17   WEBKIT_RTC_PEER_CONNECTION,
     18   INVALID_NAME
     19 };
     20 
     21 // Helper method used to collect information about the number of times
     22 // different WebRTC API:s are called from JavaScript.
     23 // The histogram can be viewed at chrome://histograms/WebRTC.webkitApiCount.
     24 inline void UpdateWebRTCMethodCount(JavaScriptAPIName api_name) {
     25   UMA_HISTOGRAM_ENUMERATION("WebRTC.webkitApiCount", api_name, INVALID_NAME);
     26 }
     27 
     28 } //  namespace content
     29 
     30 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_UMA_HISTOGRAMS_H_
     31