Remove stl_util's deletion functions from net/proxy/.

chrome/browser/chromeos/proxy_cros_settings_parser.cc

Index: chrome/browser/chromeos/proxy_cros_settings_parser.cc
diff --git a/chrome/browser/chromeos/proxy_cros_settings_parser.cc b/chrome/browser/chromeos/proxy_cros_settings_parser.cc
index f6969d64ce540e17ab3a406c78d9118f5dce114d..3e94c7680b6a760c62bb561d11a7646081227e73 100644
--- a/chrome/browser/chromeos/proxy_cros_settings_parser.cc
+++ b/chrome/browser/chromeos/proxy_cros_settings_parser.cc
@@ -356,9 +356,9 @@ bool GetProxyPrefValue(const UIProxyConfigService& config_service,
     data = CreateServerPortValue(config.socks_proxy);
   } else if (path == kProxyIgnoreList) {
     base::ListValue* list =  new base::ListValue();
-    net::ProxyBypassRules::RuleList bypass_rules = config.bypass_rules.rules();
-    for (size_t x = 0; x < bypass_rules.size(); x++)
-      list->AppendString(bypass_rules[x]->ToString());
+    const auto& bypass_rules = config.bypass_rules.rules();
+    for (const auto& rule : bypass_rules)
+      list->AppendString(rule->ToString());
     data = list;
   } else {
     *out_value = NULL;