Add RTC_ prefix to (D)CHECKs and related macros.

webrtc/base/safe_conversions.h

 /*
  *  Copyright 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 14 matching lines @@
 template <typename Dst, typename Src>
 inline bool IsValueInRangeForNumericType(Src value) {
   return internal::RangeCheck<Dst>(value) == internal::TYPE_VALID;
 }
 
 // checked_cast<> is analogous to static_cast<> for numeric types,
 // except that it CHECKs that the specified numeric conversion will not
 // overflow or underflow. NaN source will always trigger a CHECK.
 template <typename Dst, typename Src>
 inline Dst checked_cast(Src value) {
-  CHECK(IsValueInRangeForNumericType<Dst>(value));
+  RTC_CHECK(IsValueInRangeForNumericType<Dst>(value));
   return static_cast<Dst>(value);
 }
 
 // saturated_cast<> is analogous to static_cast<> for numeric types, except
 // that the specified numeric conversion will saturate rather than overflow or
-// underflow. NaN assignment to an integral will trigger a CHECK condition.
+// underflow. NaN assignment to an integral will trigger a RTC_CHECK condition.
 template <typename Dst, typename Src>
 inline Dst saturated_cast(Src value) {
   // Optimization for floating point values, which already saturate.
   if (std::numeric_limits<Dst>::is_iec559)
     return static_cast<Dst>(value);
 
   switch (internal::RangeCheck<Dst>(value)) {
     case internal::TYPE_VALID:
       return static_cast<Dst>(value);
 
     case internal::TYPE_UNDERFLOW:
       return std::numeric_limits<Dst>::min();
 
     case internal::TYPE_OVERFLOW:
       return std::numeric_limits<Dst>::max();
 
     // Should fail only on attempting to assign NaN to a saturated integer.
     case internal::TYPE_INVALID:
       FATAL();
       return std::numeric_limits<Dst>::max();
   }
 
   FATAL();
   return static_cast<Dst>(value);
 }
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_SAFE_CONVERSIONS_H_