RTCPeerConnectionInterface.mm createNativeConfiguration and other clean-up.

webrtc/api/BUILD.gn

 # Copyright (c) 2015 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.
 
 import("../build/webrtc.gni")
 
@@ skipping 16 matching lines @@
 }
 
 source_set("libjingle_peerconnection") {
   cflags = []
   sources = [
     "audiotrack.cc",
     "audiotrack.h",
     "datachannel.cc",
     "datachannel.h",
     "datachannelinterface.h",
-    "dtlsidentitystore.cc",
     "dtlsidentitystore.h",
     "dtmfsender.cc",
     "dtmfsender.h",
     "dtmfsenderinterface.h",
     "jsep.h",
     "jsepicecandidate.cc",
     "jsepicecandidate.h",
     "jsepsessiondescription.cc",
     "jsepsessiondescription.h",
     "localaudiosource.cc",
@@ skipping 79 matching lines @@
       "quicdatachannel.h",
       "quicdatatransport.cc",
       "quicdatatransport.h",
     ]
     deps += [ "//third_party/libquic" ]
     public_deps = [
       "//third_party/libquic",
     ]
   }
 }