RTC_[D]CHECK_op: Remove "u" suffix on integer constants

webrtc/modules/rtp_rtcp/source/rtcp_packet.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet.cc
index 5339c656e5776d0ede8bb6d55d2a5a1cd2c6b62b..a2d99e7143152593d28823c1b4d9589a21e6cb4c 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet.cc
@@ -50,8 +50,8 @@ bool RtcpPacket::OnBufferFull(uint8_t* packet,
 
 size_t RtcpPacket::HeaderLength() const {
   size_t length_in_bytes = BlockLength();
-  RTC_DCHECK_GT(length_in_bytes, 0u);
-  RTC_DCHECK_EQ(length_in_bytes % 4, 0u) << "Padding not supported";
+  RTC_DCHECK_GT(length_in_bytes, 0);
+  RTC_DCHECK_EQ(length_in_bytes % 4, 0) << "Padding not supported";
   // Length in 32-bit words without common header.
   return (length_in_bytes - kHeaderLength) / 4;
 }