Update some uses of UTF conversions in chrome/browser to use the base:: namespace.

chrome/browser/autocomplete/history_quick_provider_unittest.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/autocomplete/history_quick_provider.h"
 
 #include <algorithm>
 #include <functional>
 #include <set>
 #include <string>
@@ skipping 19 matching lines @@
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread.h"
 #include "sql/transaction.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using base::ASCIIToUTF16;
 using base::Time;
 using base::TimeDelta;
 
 using content::BrowserThread;
 
 struct TestURLInfo {
   std::string url;
   std::string title;
   int visit_count;
   int typed_count;
@@ skipping 574 matching lines @@
 }
 
 TEST_F(HQPOrderingTest, TEAMatch) {
   std::vector<std::string> expected_urls;
   expected_urls.push_back("http://www.teamliquid.net/");
   expected_urls.push_back("http://www.teamliquid.net/tlpd");
   expected_urls.push_back("http://www.teamliquid.net/tlpd/korean/players");
   RunTest(ASCIIToUTF16("tea"), expected_urls, true,
           ASCIIToUTF16("www.teamliquid.net"));
 }