Create //webrtc/api:libjingle_peerconnection_api + refactorings.

webrtc/pc/test/testsdpstrings.h

 /*
  *  Copyright 2012 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.
  */
 
 // This file contain SDP strings used for testing.
 
-#ifndef WEBRTC_API_TEST_TESTSDPSTRINGS_H_
-#define WEBRTC_API_TEST_TESTSDPSTRINGS_H_
+#ifndef WEBRTC_PC_TEST_TESTSDPSTRINGS_H_
+#define WEBRTC_PC_TEST_TESTSDPSTRINGS_H_
 
 namespace webrtc {
 
 // SDP offer string from a Nightly FireFox build.
 static const char kFireFoxSdpOffer[] =
     "v=0\r\n"
     "o=Mozilla-SIPUA 23551 0 IN IP4 0.0.0.0\r\n"
     "s=SIP Call\r\n"
     "t=0 0\r\n"
     "a=ice-ufrag:e5785931\r\n"
@@ skipping 97 matching lines @@
     "a=ice-ufrag:AI2sRT3r\r\n"
     "a=ice-pwd:lByS9z2RSQlSE9XurlvjYmEm\r\n"
     "a=ssrc:4227871655 cname:TsmD02HRfhkJBm4m\r\n"
     "a=ssrc:4227871655 msid:7nU0TApbB-n4dfPlCplWT9QTEsbBDS1IlpW3 a0\r\n"
     "a=ssrc:4227871655 mslabel:7nU0TApbB-n4dfPlCplWT9QTEsbBDS1IlpW3\r\n"
     "a=ssrc:4227871655 label:7nU0TApbB-n4dfPlCplWT9QTEsbBDS1IlpW3a0\r\n"
     "a=mid:audio\r\n";
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_API_TEST_TESTSDPSTRINGS_H_
+#endif  // WEBRTC_PC_TEST_TESTSDPSTRINGS_H_