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

webrtc/base/virtualsocketserver.cc

 /*
  *  Copyright 2004 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 1097 matching lines @@
 IPAddress VirtualSocketServer::GetDefaultRoute(int family) {
   if (family == AF_INET) {
     return default_route_v4_;
   }
   if (family == AF_INET6) {
     return default_route_v6_;
   }
   return IPAddress();
 }
 void VirtualSocketServer::SetDefaultRoute(const IPAddress& from_addr) {
-  DCHECK(!IPIsAny(from_addr));
+  RTC_DCHECK(!IPIsAny(from_addr));
   if (from_addr.family() == AF_INET) {
     default_route_v4_ = from_addr;
   } else if (from_addr.family() == AF_INET6) {
     default_route_v6_ = from_addr;
   }
 }
 
 }  // namespace rtc