Update uses of UTF conversions in content/ to use the base:: namespace.

content/browser/loader/resource_dispatcher_host_browsertest.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 "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/download/download_manager_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/shell/browser/shell_content_browser_client.h"
 #include "content/shell/browser/shell_network_delegate.h"
 #include "content/test/content_browser_test.h"
 #include "content/test/content_browser_test_utils.h"
 #include "content/test/net/url_request_failed_job.h"
 #include "content/test/net/url_request_mock_http_job.h"
 #include "net/base/net_errors.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "net/test/embedded_test_server/http_request.h"
 #include "net/test/embedded_test_server/http_response.h"
 
+using base::ASCIIToUTF16;
+
 namespace content {
 
 class ResourceDispatcherHostBrowserTest : public ContentBrowserTest,
                                           public DownloadManager::Observer {
  public:
   ResourceDispatcherHostBrowserTest() : got_downloads_(false) {}
 
  protected:
   virtual void SetUpOnMainThread() OVERRIDE {
     base::FilePath path = GetTestFilePath("", "");
@@ skipping 418 matching lines @@
       "http://localhost:%d/set_cookie.html", embedded_test_server()->port()));
   GURL url(embedded_test_server()->GetURL("/redirect?" + set_cookie_url));
 
   ShellContentBrowserClient::SetSwapProcessesForRedirect(true);
   ShellNetworkDelegate::SetAcceptAllCookies(false);
 
   CheckTitleTest(url, "cookie set");
 }
 
 }  // namespace content