Add RTCConfiguration getter and setter methods.

webrtc/api/peerconnectioninterface_unittest.cc

 /*
  *  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.
  */
 
@@ skipping 2532 matching lines @@
 
   EXPECT_FALSE(media_config.video.enable_cpu_overuse_detection);
 }
 
 // This test verifies that the disable_prerenderer_smoothing flag is
 // propagated from RTCConfiguration to the CreateMediaController call.
 TEST_F(PeerConnectionMediaConfigTest, TestDisablePrerendererSmoothingTrue) {
   PeerConnectionInterface::RTCConfiguration config;
   FakeConstraints constraints;
 
-  config.disable_prerenderer_smoothing = true;
+  config.set_prerenderer_smoothing(false);
   const cricket::MediaConfig& media_config =
       TestCreatePeerConnection(config, &constraints);
 
   EXPECT_TRUE(media_config.video.disable_prerenderer_smoothing);
 }
 
 // This test verifies the suspend below min bitrate constraint is
 // recognized and passed to the CreateMediaController call.
 TEST_F(PeerConnectionMediaConfigTest,
        TestSuspendBelowMinBitrateConstraintTrue) {
@@ skipping 172 matching lines @@
   FakeConstraints updated_answer_c;
   answer_c.SetMandatoryReceiveAudio(false);
   answer_c.SetMandatoryReceiveVideo(false);
 
   cricket::MediaSessionOptions updated_answer_options;
   EXPECT_TRUE(
       ParseConstraintsForAnswer(&updated_answer_c, &updated_answer_options));
   EXPECT_TRUE(updated_answer_options.has_audio());
   EXPECT_TRUE(updated_answer_options.has_video());
 }