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

chrome/browser/ui/app_list/search/app_search_provider.cc

 // Copyright 2013 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/app_list/search/app_search_provider.h"
 
 #include <string>
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/search/app_result.h"
 #include "chrome/browser/ui/app_list/search/tokenized_string.h"
 #include "chrome/browser/ui/app_list/search/tokenized_string_match.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_set.h"
 
 namespace app_list {
 
 class AppSearchProvider::App {
  public:
   explicit App(const extensions::Extension* extension)
       : app_id_(extension->id()),
-        indexed_name_(UTF8ToUTF16(extension->name())) {
+        indexed_name_(base::UTF8ToUTF16(extension->name())) {
   }
   ~App() {}
 
   const std::string& app_id() const { return app_id_; }
   const TokenizedString& indexed_name() const { return indexed_name_; }
 
  private:
   const std::string app_id_;
   TokenizedString indexed_name_;
 
@@ skipping 65 matching lines @@
   AddApps(extension_service->terminated_extensions(), extension_service);
 }
 
 void AppSearchProvider::Observe(int type,
                                 const content::NotificationSource& source,
                                 const content::NotificationDetails& detaila) {
   RefreshApps();
 }
 
 }  // namespace app_list