Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/build/gn_isolate_map.pyl

 # Copyright (c) 2016 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.
 
 # gn_isolate_map.pyl - A mapping of Ninja build target names to GN labels and
 # test type classifications for the tests that are run on the bots.
@@ skipping 34 matching lines @@
   },
   "modules_tests": {
     "label": "//webrtc/modules:modules_tests",
     "type": "console_test_launcher",
   },
   "modules_unittests": {
     "label": "//webrtc/modules:modules_unittests",
     "type": "windowed_test_launcher",
   },
   "peerconnection_unittests": {
-    "label": "//webrtc/api:peerconnection_unittests",
+    "label": "//webrtc/pc:peerconnection_unittests",
     "type": "console_test_launcher",
   },
   "rtc_media_unittests": {
     "label": "//webrtc/media:rtc_media_unittests",
     "type": "console_test_launcher",
   },
   "rtc_pc_unittests": {
     "label": "//webrtc/pc:rtc_pc_unittests",
     "type": "console_test_launcher",
   },
@@ skipping 23 matching lines @@
   },
   "voice_engine_unittests": {
     "label": "//webrtc/voice_engine:voice_engine_unittests",
     "type": "console_test_launcher",
   },
   "webrtc_nonparallel_tests": {
     "label": "//webrtc:webrtc_nonparallel_tests",
     "type": "non_parallel_console_test_launcher",
   },
 }