Add some more libjingle targets to the GN build.

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 307 matching lines @@
         'libjingle',
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4309, ],
     }, # target peerconnection_server
   ],
   'conditions': [
     ['enable_webrtc==1', {
       'targets': [
         {
+          # GN version: //third_party/libjingle:libjingle_webrtc_common
           'target_name': 'libjingle_webrtc_common',
           'type': 'static_library',
           'all_dependent_settings': {
             'conditions': [
               ['"<(libpeer_target_type)"=="static_library"', {
                 'defines': [ 'LIBPEERCONNECTION_LIB=1' ],
               }],
             ],
           },
           'sources': [
@@ skipping 237 matching lines @@
           ],
           'dependencies': [
             '<(DEPTH)/third_party/libsrtp/libsrtp.gyp:libsrtp',
             '<(DEPTH)/third_party/webrtc/modules/modules.gyp:media_file',
             '<(DEPTH)/third_party/webrtc/modules/modules.gyp:video_capture_module',
             '<(DEPTH)/third_party/webrtc/modules/modules.gyp:video_render_module',
             'libjingle',
           ],
         },  # target libjingle_webrtc_common
         {
+          # GN version: //third_party/libjingle:libjingle_webrtc
           'target_name': 'libjingle_webrtc',
           'type': 'static_library',
           'sources': [
             'overrides/init_webrtc.cc',
             'overrides/init_webrtc.h',
           ],
           'dependencies': [
             'libjingle_webrtc_common',
           ],
         },
         {
+          # GN version: //third_party/libjingle:libpeerconnection
           'target_name': 'libpeerconnection',
           'type': '<(libpeer_target_type)',
           'sources': [
+            # Note: sources list duplicated in GN build.
             '<(libjingle_source)/talk/media/webrtc/webrtcmediaengine.cc',
             '<(libjingle_source)/talk/media/webrtc/webrtcmediaengine.h',
             '<(libjingle_source)/talk/media/webrtc/webrtcvideoengine.cc',
             '<(libjingle_source)/talk/media/webrtc/webrtcvideoengine.h',
             '<(libjingle_source)/talk/media/webrtc/webrtcvideoengine2.cc',
             '<(libjingle_source)/talk/media/webrtc/webrtcvideoengine2.h',
             '<(libjingle_source)/talk/media/webrtc/webrtcvoiceengine.cc',
             '<(libjingle_source)/talk/media/webrtc/webrtcvoiceengine.h',
           ],
           'dependencies': [
@@ skipping 49 matching lines @@
               # in this directory and not lib.target as will otherwise be
               # the case with make builds.
               'product_dir': '<(PRODUCT_DIR)/lib',
             }],
           ],
         },  # target libpeerconnection
       ],
     }],
   ],
 }