RTC_[D]CHECK_op: Remove superfluous casts

webrtc/modules/audio_coding/codecs/cng/webrtc_cng.cc

 /*
  *  Copyright (c) 2012 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 242 matching lines @@
   int acorrScale;
   size_t index;
   size_t ind, factor;
   int32_t* bptr;
   int32_t blo, bhi;
   int16_t negate;
   const int16_t* aptr;
   int16_t speechBuf[kCngMaxOutsizeOrder];
 
   const size_t num_samples = speech.size();
-  RTC_CHECK_LE(num_samples, static_cast<size_t>(kCngMaxOutsizeOrder));
+  RTC_CHECK_LE(num_samples, kCngMaxOutsizeOrder);
 
   for (i = 0; i < num_samples; i++) {
     speechBuf[i] = speech[i];
   }
 
   factor = num_samples;
 
   /* Calculate energy and a coefficients. */
   outEnergy = WebRtcSpl_Energy(speechBuf, num_samples, &outShifts);
   while (outShifts > 0) {
@@ skipping 159 matching lines @@
     anyptr = any;
     for (i = 0; i < (m + 2); i++) {
       *aptr++ = *anyptr++;
     }
   }
 }
 
 }  // namespace
 
 }  // namespace webrtc