Adding C++ versions of currently spec'd "RtpParameters" structs.

webrtc/media/engine/webrtcvideoengine2_unittest.cc

 /*
  *  Copyright (c) 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.
  */
 
@@ skipping 1158 matching lines @@
 
   void SetAndExpectMaxBitrate(int global_max,
                               int stream_max,
                               int expected_encoder_bitrate) {
     VideoSendParameters limited_send_params = send_parameters_;
     limited_send_params.max_bandwidth_bps = global_max;
     EXPECT_TRUE(channel_->SetSendParameters(limited_send_params));
     webrtc::RtpParameters parameters =
         channel_->GetRtpSendParameters(last_ssrc_);
     EXPECT_EQ(1UL, parameters.encodings.size());
-    parameters.encodings[0].max_bitrate_bps = stream_max;
+    parameters.encodings[0].max_bitrate_bps = rtc::Optional<int>(stream_max);
     EXPECT_TRUE(channel_->SetRtpSendParameters(last_ssrc_, parameters));
     // Read back the parameteres and verify they have the correct value
     parameters = channel_->GetRtpSendParameters(last_ssrc_);
     EXPECT_EQ(1UL, parameters.encodings.size());
-    EXPECT_EQ(stream_max, parameters.encodings[0].max_bitrate_bps);
+    EXPECT_EQ(rtc::Optional<int>(stream_max),
+              parameters.encodings[0].max_bitrate_bps);
     // Verify that the new value propagated down to the encoder
     EXPECT_EQ(expected_encoder_bitrate, GetMaxEncoderBitrate());
   }
 
   std::unique_ptr<FakeCall> fake_call_;
   std::unique_ptr<VideoMediaChannel> channel_;
   cricket::VideoSendParameters send_parameters_;
   cricket::VideoRecvParameters recv_parameters_;
   uint32_t last_ssrc_;
 };
@@ skipping 3025 matching lines @@
 }
 
 TEST_F(WebRtcVideoChannel2SimulcastTest, SetSendCodecsForSimulcastScreenshare) {
   webrtc::test::ScopedFieldTrials override_field_trials_(
       "WebRTC-SimulcastScreenshare/Enabled/");
   VerifySimulcastSettings(cricket::VideoCodec("VP8"), 1280, 720, 3, 2, true,
                           true);
 }
 
 }  // namespace cricket