Convert usage of ARRAY_SIZE to arraysize.

webrtc/p2p/base/transportdescription.cc

Index: webrtc/p2p/base/transportdescription.cc
diff --git a/webrtc/p2p/base/transportdescription.cc b/webrtc/p2p/base/transportdescription.cc
index 52033ec9c3b62539f66d42ac2268a9917dfa34a7..0dcbac6da16531d5e237dfe8531f538d5029af3a 100644
--- a/webrtc/p2p/base/transportdescription.cc
+++ b/webrtc/p2p/base/transportdescription.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/p2p/base/transportdescription.h"
 
+#include "webrtc/base/arraysize.h"
 #include "webrtc/base/basicdefs.h"
 #include "webrtc/base/stringutils.h"
 #include "webrtc/p2p/base/constants.h"
@@ -24,7 +25,7 @@ bool StringToConnectionRole(const std::string& role_str, ConnectionRole* role) {
       CONNECTIONROLE_HOLDCONN_STR
   };
 
-  for (size_t i = 0; i < ARRAY_SIZE(roles); ++i) {
+  for (size_t i = 0; i < arraysize(roles); ++i) {
     if (_stricmp(roles[i], role_str.c_str()) == 0) {
       *role = static_cast<ConnectionRole>(CONNECTIONROLE_ACTIVE + i);
       return true;