Use enum class for VideoCodecMode and VideoCodecComplexity.

Bug: webrtc:7660
Change-Id: I6a8ef01f8abcc25c8efaf0af387408343a7c8ba3
Reviewed-on: https://webrtc-review.googlesource.com/81240
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23595}
diff --git a/media/engine/simulcast_encoder_adapter_unittest.cc b/media/engine/simulcast_encoder_adapter_unittest.cc
index b5b2445..9625b31 100644
--- a/media/engine/simulcast_encoder_adapter_unittest.cc
+++ b/media/engine/simulcast_encoder_adapter_unittest.cc
@@ -407,7 +407,8 @@
     // stream 0, the lowest resolution stream.
     InitRefCodec(0, &ref_codec);
     ref_codec.qpMax = 45;
-    ref_codec.VP8()->complexity = webrtc::kComplexityHigher;
+    ref_codec.VP8()->complexity =
+        webrtc::VideoCodecComplexity::kComplexityHigher;
     ref_codec.VP8()->denoisingOn = false;
     ref_codec.startBitrate = 100;  // Should equal to the target bitrate.
     VerifyCodec(ref_codec, 0);