Replace ASSERT by RTC_DCHECK in all non-test code.

webrtc/base/macutils.cc

 /*
  *  Copyright 2007 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 55 matching lines @@
   if (printable) {
     ss << '\'';
   } else {
     ss.str("");
     ss << "0x" << std::hex << fc;
   }
   out->append(ss.str());
 }
 
 static bool GetOSVersion(int* major, int* minor, int* bugfix) {
-  ASSERT(major && minor && bugfix);
+  RTC_DCHECK(major && minor && bugfix);
   struct utsname uname_info;
   if (uname(&uname_info) != 0)
     return false;
 
   if (strcmp(uname_info.sysname, "Darwin") != 0)
     return false;
   *major = 10;
 
   // The market version of macOS is always 4 lower than the internal version.
   int minor_version = atoi(uname_info.release);
@@ skipping 30 matching lines @@
     case 7:
       return kMacOSLion;
     case 8:
       return kMacOSMountainLion;
     case 9:
       return kMacOSMavericks;
   }
   return kMacOSNewer;
 }
 }  // namespace rtc