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

webrtc/modules/rtp_rtcp/source/rtcp_packet.cc

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 32 matching lines @@
   if (*index == 0)
     return false;
   RTC_DCHECK(callback) << "Fragmentation not supported.";
   callback->OnPacketReady(packet, *index);
   *index = 0;
   return true;
 }
 
 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;
 }
 
 // From RFC 3550, RTP: A Transport Protocol for Real-Time Applications.
 //
 // RTP header format.
 //   0                   1                   2                   3
 //   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 //  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
@@ skipping 11 matching lines @@
   constexpr uint8_t kNoPaddingBit = 0 << 5;
   buffer[*pos + 0] = kVersionBits | kNoPaddingBit | count_or_format;
   buffer[*pos + 1] = packet_type;
   buffer[*pos + 2] = (length >> 8) & 0xff;
   buffer[*pos + 3] = length & 0xff;
   *pos += kHeaderLength;
 }
 
 }  // namespace rtcp
 }  // namespace webrtc