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

chrome/browser/ssl/ssl_blocking_page.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/ssl/ssl_blocking_page.h"
 
 #include "base/i18n/rtl.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ skipping 23 matching lines @@
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/webui/jstemplate_builder.h"
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #endif
 
+using base::ASCIIToUTF16;
 using base::TimeTicks;
 using content::InterstitialPage;
 using content::NavigationController;
 using content::NavigationEntry;
 
 namespace {
 
 // These represent the commands sent by ssl_roadblock.html.
 enum SSLBlockingPageCommands {
   CMD_DONT_PROCEED,
@@ skipping 376 matching lines @@
     strings->SetString(keys[i], std::string());
   }
 }
 
 void SSLBlockingPage::OnGotHistoryCount(HistoryService::Handle handle,
                                         bool success,
                                         int num_visits,
                                         base::Time first_visit) {
   num_visits_ = num_visits;
 }