Use base::StringPairs where appropriate from /chrome

chrome/browser/ui/webui/net_internals/net_internals_ui.cc

 // Copyright (c) 2012 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/browser/ui/webui/net_internals/net_internals_ui.h"
 
 #include <algorithm>
 #include <list>
 #include <string>
 #include <utility>
@@ skipping 1193 matching lines @@
 void NetInternalsMessageHandler::IOThreadImpl::OnGetHttpCacheInfo(
     const base::ListValue* list) {
   DCHECK(!list);
   base::DictionaryValue* info_dict = new base::DictionaryValue();
   base::DictionaryValue* stats_dict = new base::DictionaryValue();
 
   disk_cache::Backend* disk_cache = GetDiskCacheBackend(GetMainContext());
 
   if (disk_cache) {
     // Extract the statistics key/value pairs from the backend.
-    std::vector<std::pair<std::string, std::string> > stats;
+    base::StringPairs stats;
     disk_cache->GetStats(&stats);
     for (size_t i = 0; i < stats.size(); ++i) {
       stats_dict->SetStringWithoutPathExpansion(
           stats[i].first, stats[i].second);
     }
   }
 
   info_dict->Set("stats", stats_dict);
 
   SendJavascriptCommand("receivedHttpCacheInfo", info_dict);
@@ skipping 484 matching lines @@
 }
 
 NetInternalsUI::NetInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new NetInternalsMessageHandler());
 
   // Set up the chrome://net-internals/ source.
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, CreateNetInternalsHTMLSource());
 }