Convert src/net to use std::string/char* for DictionaryValue keys.

net/url_request/url_request_netlog_params.cc

 // Copyright (c) 2010 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 "net/url_request/url_request_netlog_params.h"
 
 #include "base/values.h"
 
 URLRequestStartEventParameters::URLRequestStartEventParameters(
     const GURL& url,
     const std::string& method,
     int load_flags,
     net::RequestPriority priority)
     : url_(url),
       method_(method),
       load_flags_(load_flags),
       priority_(priority) {
 }
 
 Value* URLRequestStartEventParameters::ToValue() const {
   DictionaryValue* dict = new DictionaryValue();
-  dict->SetString(L"url", url_.possibly_invalid_spec());
-  dict->SetString(L"method", method_);
-  dict->SetInteger(L"load_flags", load_flags_);
-  dict->SetInteger(L"priority", static_cast<int>(priority_));
+  dict->SetString("url", url_.possibly_invalid_spec());
+  dict->SetString("method", method_);
+  dict->SetInteger("load_flags", load_flags_);
+  dict->SetInteger("priority", static_cast<int>(priority_));
   return dict;
 }