Delete unused members from VideoOptions

talk/media/webrtc/webrtcvideoengine2.cc

Index: talk/media/webrtc/webrtcvideoengine2.cc
diff --git a/talk/media/webrtc/webrtcvideoengine2.cc b/talk/media/webrtc/webrtcvideoengine2.cc
index f237b8fde66787c2653cac6fac1d3bf4384eea63..3ca8d274b641e7b37920a26df6396e860de635b3 100644
--- a/talk/media/webrtc/webrtcvideoengine2.cc
+++ b/talk/media/webrtc/webrtcvideoengine2.cc
@@ -636,7 +636,7 @@ void WebRtcVideoChannel2::SetDefaultOptions() {
   options_.cpu_overuse_detection = rtc::Optional<bool>(true);
   options_.dscp = rtc::Optional<bool>(false);
   options_.suspend_below_min_bitrate = rtc::Optional<bool>(false);
-  options_.screencast_min_bitrate = rtc::Optional<int>(0);
+  options_.screencast_min_bitrate_kbps = rtc::Optional<int>(0);
 }
 
 WebRtcVideoChannel2::~WebRtcVideoChannel2() {
@@ -1947,9 +1947,9 @@ WebRtcVideoChannel2::WebRtcVideoSendStream::CreateVideoEncoderConfig(
     const VideoCodec& codec) const {
   webrtc::VideoEncoderConfig encoder_config;
   if (dimensions.is_screencast) {
-    RTC_CHECK(parameters_.options.screencast_min_bitrate);
+    RTC_CHECK(parameters_.options.screencast_min_bitrate_kbps);
     encoder_config.min_transmit_bitrate_bps =
-        *parameters_.options.screencast_min_bitrate * 1000;
+        *parameters_.options.screencast_min_bitrate_kbps * 1000;
     encoder_config.content_type =
         webrtc::VideoEncoderConfig::ContentType::kScreen;
   } else {