Convert usage of ARRAY_SIZE to arraysize.

webrtc/examples/peerconnection/client/defaults.cc

 /*
  *  Copyright 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.
  */
 
 #include "webrtc/examples/peerconnection/client/defaults.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #ifdef WIN32
 #include <winsock2.h>
 #else
 #include <unistd.h>
 #endif
 
+#include "webrtc/base/arraysize.h"
 #include "webrtc/base/common.h"
 
 const char kAudioLabel[] = "audio_label";
 const char kVideoLabel[] = "video_label";
 const char kStreamLabel[] = "stream_label";
 const uint16_t kDefaultServerPort = 8888;
 
 std::string GetEnvVarOrDefault(const char* env_var_name,
                                const char* default_value) {
   std::string value;
@@ skipping 10 matching lines @@
 std::string GetPeerConnectionString() {
   return GetEnvVarOrDefault("WEBRTC_CONNECT", "stun:stun.l.google.com:19302");
 }
 
 std::string GetDefaultServerName() {
   return GetEnvVarOrDefault("WEBRTC_SERVER", "localhost");
 }
 
 std::string GetPeerName() {
   char computer_name[256];
-  if (gethostname(computer_name, ARRAY_SIZE(computer_name)) != 0)
+  if (gethostname(computer_name, arraysize(computer_name)) != 0)
     strcpy(computer_name, "host");
   std::string ret(GetEnvVarOrDefault("USERNAME", "user"));
   ret += '@';
   ret += computer_name;
   return ret;
 }