Fix non-functional nit in videoadapter

webrtc/media/base/videoadapter.cc

Index: webrtc/media/base/videoadapter.cc
diff --git a/webrtc/media/base/videoadapter.cc b/webrtc/media/base/videoadapter.cc
index 589be63c8021351e9d690f611b12705e9ca088e4..522d175426bad752dc94134183c2c2de9af0c84b 100644
--- a/webrtc/media/base/videoadapter.cc
+++ b/webrtc/media/base/videoadapter.cc
@@ -218,7 +218,7 @@ bool VideoAdapter::AdaptFrameResolution(int in_width,
   // Calculate final output size.
   *out_width = *cropped_width / scale.denominator * scale.numerator;
   *out_height = *cropped_height / scale.denominator * scale.numerator;
-  RTC_DCHECK_EQ(0, *out_height % required_resolution_alignment_);
+  RTC_DCHECK_EQ(0, *out_width % required_resolution_alignment_);
   RTC_DCHECK_EQ(0, *out_height % required_resolution_alignment_);
 
   ++frames_out_;