Revert of Remove the rtc_relative_path GYP variable and similar defines

webrtc/pc/srtpfilter_unittest.cc

 /*
  *  Copyright 2004 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.
  */
 
 #include "webrtc/base/byteorder.h"
 #include "webrtc/base/gunit.h"
 #include "webrtc/base/thread.h"
 #include "webrtc/media/base/cryptoparams.h"
 #include "webrtc/media/base/fakertp.h"
 #include "webrtc/p2p/base/sessiondescription.h"
 #include "webrtc/pc/srtpfilter.h"
 extern "C" {
+#ifdef SRTP_RELATIVE_PATH
+#include "crypto/include/err.h"
+#else
 #include "third_party/libsrtp/srtp/crypto/include/err.h"
+#endif
 }
 
 using rtc::CS_AES_CM_128_HMAC_SHA1_80;
 using rtc::CS_AES_CM_128_HMAC_SHA1_32;
 using cricket::CryptoParams;
 using cricket::CS_LOCAL;
 using cricket::CS_REMOTE;
 
 static const uint8_t kTestKey1[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234";
 static const uint8_t kTestKey2[] = "4321ZYXWVUTSRQPONMLKJIHGFEDCBA";
@@ skipping 865 matching lines @@
   srtp_stat_.AddUnprotectRtcpResult(err_status_fail);
   EXPECT_EQ(-1, mode_);
   EXPECT_EQ(cricket::SrtpFilter::ERROR_NONE, error_);
   // Now the error will be triggered again.
   Reset();
   rtc::Thread::Current()->SleepMs(210);
   srtp_stat_.AddUnprotectRtcpResult(err_status_fail);
   EXPECT_EQ(cricket::SrtpFilter::UNPROTECT, mode_);
   EXPECT_EQ(cricket::SrtpFilter::ERROR_FAIL, error_);
 }