Move string tokenizer to base/strings.

net/proxy/proxy_resolver_v8.cc

Index: net/proxy/proxy_resolver_v8.cc
diff --git a/net/proxy/proxy_resolver_v8.cc b/net/proxy/proxy_resolver_v8.cc
index 935072b33ea431e8e1fc55e9094e1db1244cc470..c960900ace1ac7274a84c754321e5aae0c5fdef4 100644
--- a/net/proxy/proxy_resolver_v8.cc
+++ b/net/proxy/proxy_resolver_v8.cc
@@ -12,8 +12,8 @@
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
-#include "base/string_tokenizer.h"
 #include "base/string_util.h"
+#include "base/strings/string_tokenizer.h"
 #include "base/synchronization/lock.h"
 #include "base/utf_string_conversions.h"
 #include "googleurl/src/gurl.h"
@@ -275,7 +275,7 @@ bool SortIpAddressList(const std::string& ip_address_list,
   // Split-up IP addresses and store them in a vector.
   std::vector<IPAddress> ip_vector;
   IPAddressNumber ip_num;
-  StringTokenizer str_tok(cleaned_ip_address_list, ";");
+  base::StringTokenizer str_tok(cleaned_ip_address_list, ";");
   while (str_tok.GetNext()) {
     if (!ParseIPLiteralToNumber(str_tok.token(), &ip_num))
       return false;