Move UTF16ToASCII, remove WideToASCII.

net/proxy/proxy_config_service_win.cc

Index: net/proxy/proxy_config_service_win.cc
diff --git a/net/proxy/proxy_config_service_win.cc b/net/proxy/proxy_config_service_win.cc
index a1295f33de81bfdb49246abe4cb532255f0b0873..828b5cca52408c34a89a01735703c1019bee8187 100644
--- a/net/proxy/proxy_config_service_win.cc
+++ b/net/proxy/proxy_config_service_win.cc
@@ -12,6 +12,7 @@
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/string_tokenizer.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/win/registry.h"
 #include "net/base/net_errors.h"
@@ -175,10 +176,11 @@ void ProxyConfigServiceWin::SetFromIEConfig(
   if (ie_config.lpszProxy) {
     // lpszProxy may be a single proxy, or a proxy per scheme. The format
     // is compatible with ProxyConfig::ProxyRules's string format.
-    config->proxy_rules().ParseFromString(WideToASCII(ie_config.lpszProxy));
+    config->proxy_rules().ParseFromString(
+        base::UTF16ToASCII(ie_config.lpszProxy));
   }
   if (ie_config.lpszProxyBypass) {
-    std::string proxy_bypass = WideToASCII(ie_config.lpszProxyBypass);
+    std::string proxy_bypass = base::UTF16ToASCII(ie_config.lpszProxyBypass);
 
     base::StringTokenizer proxy_server_bypass_list(proxy_bypass, ";, \t\n\r");
     while (proxy_server_bypass_list.GetNext()) {