Updated structures and functions for setting the max bitrate limit to take rtc::Optional<int>

webrtc/media/base/videoengine_unittest.h

Index: webrtc/media/base/videoengine_unittest.h
diff --git a/webrtc/media/base/videoengine_unittest.h b/webrtc/media/base/videoengine_unittest.h
index 01a4f76ca766183ba12564515ae661009998b535..77714d4da7735876a27a582836a154ccf6915be7 100644
--- a/webrtc/media/base/videoengine_unittest.h
+++ b/webrtc/media/base/videoengine_unittest.h
@@ -610,9 +610,9 @@ class VideoMediaChannelTest : public testing::Test,
   void SetSendBandwidth() {
     cricket::VideoSendParameters parameters;
     parameters.codecs.push_back(DefaultCodec());
-    parameters.max_bandwidth_bps = -1;  // <= 0 means unlimited.
+    parameters.max_bitrate_bps = rtc::Optional<int>();  // unlimited.
     EXPECT_TRUE(channel_->SetSendParameters(parameters));
-    parameters.max_bandwidth_bps = 128 * 1024;
+    parameters.max_bitrate_bps = rtc::Optional<int>(128 * 1024);
     EXPECT_TRUE(channel_->SetSendParameters(parameters));
   }
   // Test that we can set the SSRC for the default send source.