Created the DtlsSrtpTransport.

pc/srtptransport_unittest.cc

 /*
  *  Copyright 2017 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.
  */
 
@@ skipping 292 matching lines @@
                                             int key1_len,
                                             const uint8_t* key2,
                                             int key2_len,
                                             const std::string& cs_name) {
     std::vector<int> encrypted_headers;
     encrypted_headers.push_back(1);
     // Don't encrypt header ids 2 and 3.
     encrypted_headers.push_back(4);
     EXPECT_EQ(key1_len, key2_len);
     EXPECT_EQ(cs_name, rtc::SrtpCryptoSuiteToName(cs));
-    srtp_transport1_->SetEncryptedHeaderExtensionIds(cricket::CS_LOCAL,
-                                                     encrypted_headers);
-    srtp_transport1_->SetEncryptedHeaderExtensionIds(cricket::CS_REMOTE,
-                                                     encrypted_headers);
-    srtp_transport2_->SetEncryptedHeaderExtensionIds(cricket::CS_LOCAL,
-                                                     encrypted_headers);
-    srtp_transport2_->SetEncryptedHeaderExtensionIds(cricket::CS_REMOTE,
-                                                     encrypted_headers);
+    srtp_transport1_->SetRecvEncryptedHeaderExtensionIds(encrypted_headers);
+    srtp_transport1_->SetSendEncryptedHeaderExtensionIds(encrypted_headers);
+    srtp_transport2_->SetRecvEncryptedHeaderExtensionIds(encrypted_headers);
+    srtp_transport2_->SetSendEncryptedHeaderExtensionIds(encrypted_headers);
     EXPECT_TRUE(
         srtp_transport1_->SetRtpParams(cs, key1, key1_len, cs, key2, key2_len));
     EXPECT_TRUE(
         srtp_transport2_->SetRtpParams(cs, key2, key2_len, cs, key1, key1_len));
     EXPECT_TRUE(srtp_transport1_->IsActive());
     EXPECT_TRUE(srtp_transport2_->IsActive());
     EXPECT_FALSE(srtp_transport1_->IsExternalAuthActive());
     EXPECT_FALSE(srtp_transport2_->IsExternalAuthActive());
     TestSendRecvPacketWithEncryptedHeaderExtension(cs_name, encrypted_headers);
   }
@@ skipping 82 matching lines @@
 TEST_F(SrtpTransportTest, TestSetParamsKeyTooShort) {
   EXPECT_FALSE(srtp_transport1_->SetRtpParams(
       rtc::SRTP_AES128_CM_SHA1_80, kTestKey1, kTestKeyLen - 1,
       rtc::SRTP_AES128_CM_SHA1_80, kTestKey1, kTestKeyLen - 1));
   EXPECT_FALSE(srtp_transport1_->SetRtcpParams(
       rtc::SRTP_AES128_CM_SHA1_80, kTestKey1, kTestKeyLen - 1,
       rtc::SRTP_AES128_CM_SHA1_80, kTestKey1, kTestKeyLen - 1));
 }
 
 }  // namespace webrtc