Move MetricsObserverInterface out of peerconnectioninterface.h

webrtc/p2p/client/basicportallocator.cc

 /*
  *  Copyright 2004 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.
  */
 
 #include "webrtc/p2p/client/basicportallocator.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
-#include "webrtc/api/peerconnectioninterface.h"
+#include "webrtc/api/umametrics.h"
 #include "webrtc/p2p/base/basicpacketsocketfactory.h"
 #include "webrtc/p2p/base/common.h"
 #include "webrtc/p2p/base/port.h"
 #include "webrtc/p2p/base/relayport.h"
 #include "webrtc/p2p/base/stunport.h"
 #include "webrtc/p2p/base/tcpport.h"
 #include "webrtc/p2p/base/turnport.h"
 #include "webrtc/p2p/base/udpport.h"
 #include "webrtc/base/checks.h"
 #include "webrtc/base/common.h"
@@ skipping 1490 matching lines @@
   ServerAddresses servers;
   for (size_t i = 0; i < relays.size(); ++i) {
     if (relays[i].type == turn_type && SupportsProtocol(relays[i], type)) {
       servers.insert(relays[i].ports.front().address);
     }
   }
   return servers;
 }
 
 }  // namespace cricket