Move MetricsObserverInterface out of peerconnectioninterface.h

webrtc/api/peerconnectioninterface.h

 /*
  *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 104 matching lines @@
   // can be deleted.
   virtual void OnComplete(const StatsReports& reports) {}
   virtual void OnCompleteReports(std::unique_ptr<StatsReports> reports) {
     OnComplete(*reports);
   }
 
  protected:
   virtual ~StatsObserver() {}
 };
 
-class MetricsObserverInterface : public rtc::RefCountInterface {
- public:
-
-  // |type| is the type of the enum counter to be incremented. |counter|
-  // is the particular counter in that type. |counter_max| is the next sequence
-  // number after the highest counter.
-  virtual void IncrementEnumCounter(PeerConnectionEnumCounterType type,
-                                    int counter,
-                                    int counter_max) {}
-
-  // This is used to handle sparse counters like SSL cipher suites.
-  // TODO(guoweis): Remove the implementation once the dependency's interface
-  // definition is updated.
-  virtual void IncrementSparseEnumCounter(PeerConnectionEnumCounterType type,
-                                          int counter) {
-    IncrementEnumCounter(type, counter, 0 /* Ignored */);
-  }
-
-  virtual void AddHistogramSample(PeerConnectionMetricsName type,
-                                  int value) = 0;
-
- protected:
-  virtual ~MetricsObserverInterface() {}
-};
-
-typedef MetricsObserverInterface UMAObserver;
-
 // Enumeration to represent distinct classes of errors that an application
 // may wish to act upon differently. These roughly map to DOMExceptions or
 // RTCError "errorDetailEnum" values in the web API, as described in the
 // comments below.
 enum class RTCErrorType {
   // No error.
   NONE,
   // A supplied parameter is valid, but currently unsupported.
   // Maps to InvalidAccessError DOMException.
   UNSUPPORTED_PARAMETER,
@@ skipping 753 matching lines @@
     cricket::WebRtcVideoEncoderFactory* encoder_factory,
     cricket::WebRtcVideoDecoderFactory* decoder_factory) {
   return CreatePeerConnectionFactory(
       worker_and_network_thread, worker_and_network_thread, signaling_thread,
       default_adm, encoder_factory, decoder_factory);
 }
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_PEERCONNECTIONINTERFACE_H_