Replace ToLower calls to the new format

chrome/test/chromedriver/capabilities.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/chromedriver/capabilities.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 193 matching lines @@
   return Status(kOk);
 }
 
 Status ParseProxy(const base::Value& option, Capabilities* capabilities) {
   const base::DictionaryValue* proxy_dict;
   if (!option.GetAsDictionary(&proxy_dict))
     return Status(kUnknownError, "must be a dictionary");
   std::string proxy_type;
   if (!proxy_dict->GetString("proxyType", &proxy_type))
     return Status(kUnknownError, "'proxyType' must be a string");
-  proxy_type = base::StringToLowerASCII(proxy_type);
+  proxy_type = base::ToLowerASCII(proxy_type);
   if (proxy_type == "direct") {
     capabilities->switches.SetSwitch("no-proxy-server");
   } else if (proxy_type == "system") {
     // Chrome default.
   } else if (proxy_type == "pac") {
     base::CommandLine::StringType proxy_pac_url;
     if (!proxy_dict->GetString("proxyAutoconfigUrl", &proxy_pac_url))
       return Status(kUnknownError, "'proxyAutoconfigUrl' must be a string");
     capabilities->switches.SetSwitch("proxy-pac-url", proxy_pac_url);
   } else if (proxy_type == "autodetect") {
@@ skipping 368 matching lines @@
   if (iter == logging_prefs.end() || iter->second == Log::kOff) {
     const base::DictionaryValue* chrome_options = NULL;
     if (desired_caps.GetDictionary("chromeOptions", &chrome_options) &&
         chrome_options->HasKey("perfLoggingPrefs")) {
       return Status(kUnknownError, "perfLoggingPrefs specified, "
                     "but performance logging was not enabled");
     }
   }
   return Status(kOk);
 }