Non-blocking connect() attempts may fail synchronously

net/base/host_resolver_proc.cc

Index: net/base/host_resolver_proc.cc
===================================================================
--- net/base/host_resolver_proc.cc	(revision 26002)
+++ net/base/host_resolver_proc.cc	(working copy)
@@ -157,23 +157,6 @@
   //   address.
   // See http://crbug.com/5234.
   hints.ai_flags = 0;
-#elif defined(OS_MACOSX)
-  // We don't need to use AI_ADDRCONFIG on Mac OS X.  There are two evidences:
-  //
-  // 1. The getaddrinfo man page on Mac OS X documents only three flags:
-  // AI_CANONNAME, AI_NUMERICHOST, and AI_PASSIVE, and shows an example that
-  // sets hints.ai_flags to 0.
-  // 2. The <netdb.h> header lists only those three flags in the comment after
-  // the ai_flags field of struct addrinfo, and defines an AI_MASK macro as
-  // the bitwise-OR of those three flags with the comment "valid flags for
-  // addrinfo".
-  //
-  // But is it harmful to use AI_ADDRCONFIG?  Unfortunately I can't find a
-  // definitive answer by browsing the getaddrinfo source code in Darwin (in
-  // the Libinfo project).
-  //
-  // See http://crbug.com/12711.
-  hints.ai_flags = 0;
 #else
   hints.ai_flags = AI_ADDRCONFIG;
 #endif