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

webrtc/base/platform_thread.cc

 /*
  *  Copyright (c) 2015 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 19 matching lines @@
   ret = pthread_mach_thread_np(pthread_self());
 #elif defined(WEBRTC_LINUX)
   ret =  syscall(__NR_gettid);
 #elif defined(WEBRTC_ANDROID)
   ret = gettid();
 #else
   // Default implementation for nacl and solaris.
   ret = reinterpret_cast<pid_t>(pthread_self());
 #endif
 #endif  // defined(WEBRTC_POSIX)
-  DCHECK(ret);
+  RTC_DCHECK(ret);
   return ret;
 }
 
 PlatformThreadRef CurrentThreadRef() {
 #if defined(WEBRTC_WIN)
   return GetCurrentThreadId();
 #elif defined(WEBRTC_POSIX)
   return pthread_self();
 #endif
 }
 
 bool IsThreadRefEqual(const PlatformThreadRef& a, const PlatformThreadRef& b) {
 #if defined(WEBRTC_WIN)
   return a == b;
 #elif defined(WEBRTC_POSIX)
   return pthread_equal(a, b);
 #endif
 }
 
 void SetCurrentThreadName(const char* name) {
-  DCHECK(strlen(name) < 64);
+  RTC_DCHECK(strlen(name) < 64);
 #if defined(WEBRTC_WIN)
   struct {
     DWORD dwType;
     LPCSTR szName;
     DWORD dwThreadID;
     DWORD dwFlags;
   } threadname_info = {0x1000, name, static_cast<DWORD>(-1), 0};
 
   __try {
     ::RaiseException(0x406D1388, 0, sizeof(threadname_info) / sizeof(DWORD),
                      reinterpret_cast<ULONG_PTR*>(&threadname_info));
   } __except (EXCEPTION_EXECUTE_HANDLER) {
   }
 #elif defined(WEBRTC_LINUX) || defined(WEBRTC_ANDROID)
   prctl(PR_SET_NAME, reinterpret_cast<unsigned long>(name));
 #elif defined(WEBRTC_MAC) || defined(WEBRTC_IOS)
   pthread_setname_np(name);
 #endif
 }
 
 }  // namespace rtc