Add the new files from https://webrtc-codereview.appspot.com/37889004/ to libjingle.gyp

third_party/libjingle/libjingle.gyp

 # 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.
 
 {
   'includes': [
     '../../build/win_precompile.gypi',
   ],
   'variables': {
     'enabled_libjingle_device_manager%': 0,
@@ skipping 328 matching lines @@
           },
           'sources': [
             'overrides/talk/media/webrtc/webrtcexport.h',
 
             '<(libjingle_source)/talk/app/webrtc/audiotrack.cc',
             '<(libjingle_source)/talk/app/webrtc/audiotrack.h',
             '<(libjingle_source)/talk/app/webrtc/audiotrackrenderer.cc',
             '<(libjingle_source)/talk/app/webrtc/audiotrackrenderer.h',
             '<(libjingle_source)/talk/app/webrtc/datachannel.cc',
             '<(libjingle_source)/talk/app/webrtc/datachannel.h',
+            '<(libjingle_source)/talk/app/webrtc/dtlsidentityservice.cc',
+            '<(libjingle_source)/talk/app/webrtc/dtlsidentityservice.h',
+            '<(libjingle_source)/talk/app/webrtc/dtlsidentitystore.cc',
+            '<(libjingle_source)/talk/app/webrtc/dtlsidentitystore.h',
             '<(libjingle_source)/talk/app/webrtc/dtmfsender.cc',
             '<(libjingle_source)/talk/app/webrtc/dtmfsender.h',
             '<(libjingle_source)/talk/app/webrtc/jsep.h',
             '<(libjingle_source)/talk/app/webrtc/jsepicecandidate.cc',
             '<(libjingle_source)/talk/app/webrtc/jsepicecandidate.h',
             '<(libjingle_source)/talk/app/webrtc/jsepsessiondescription.cc',
             '<(libjingle_source)/talk/app/webrtc/jsepsessiondescription.h',
             '<(libjingle_source)/talk/app/webrtc/localaudiosource.cc',
             '<(libjingle_source)/talk/app/webrtc/localaudiosource.h',
             '<(libjingle_source)/talk/app/webrtc/mediaconstraintsinterface.cc',
@@ skipping 306 matching lines @@
           },
           'dependencies': [
             'libjingle_peerconnection_so',
           ],
           'includes': [ '../../build/java.gypi' ],
         },
       ],
     }],
   ],
 }