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

chrome/browser/ui/ash/launcher/chrome_launcher_controller.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/ash/launcher/chrome_launcher_controller.h"
 
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 1346 matching lines @@
     content::WebContents* web_contents) const {
   base::string16 title = web_contents->GetTitle();
   if (!title.empty())
     return title;
   WebContentsToAppIDMap::const_iterator iter =
       web_contents_to_app_id_.find(web_contents);
   if (iter != web_contents_to_app_id_.end()) {
     std::string app_id = iter->second;
     const extensions::Extension* extension = GetExtensionForAppID(app_id);
     if (extension)
-      return UTF8ToUTF16(extension->name());
+      return base::UTF8ToUTF16(extension->name());
   }
   return l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE);
 }
 
 ash::LauncherID ChromeLauncherController::CreateAppShortcutLauncherItem(
     const std::string& app_id,
     int index) {
   return CreateAppShortcutLauncherItemWithType(app_id,
                                                index,
                                                ash::TYPE_APP_SHORTCUT);
@@ skipping 644 matching lines @@
 }
 
 void ChromeLauncherController::ReleaseProfile() {
   if (app_sync_ui_state_)
     app_sync_ui_state_->RemoveObserver(this);
 
   PrefServiceSyncable::FromProfile(profile_)->RemoveObserver(this);
 
   pref_change_registrar_.RemoveAll();
 }