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

chrome/browser/automation/testing_automation_provider_chromeos.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/automation/testing_automation_provider.h"
 
 #include "ash/new_window_delegate.h"
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "base/command_line.h"
@@ skipping 455 matching lines @@
         "Unable to access ExistingUserController");
     return;
   }
   chromeos::LoginDisplayHostImpl* webui_host =
       static_cast<chromeos::LoginDisplayHostImpl*>(
           controller->login_display_host());
   content::WebContents* web_contents =
       webui_host->GetOobeUI()->web_ui()->GetWebContents();
 
   new DomOperationMessageSender(this, reply_message, true);
-  ExecuteJavascriptInRenderViewFrame(ASCIIToUTF16(frame_xpath),
-                                     ASCIIToUTF16(javascript),
+  ExecuteJavascriptInRenderViewFrame(base::ASCIIToUTF16(frame_xpath),
+                                     base::ASCIIToUTF16(javascript),
                                      reply_message,
                                      web_contents->GetRenderViewHost());
 }
 
 void TestingAutomationProvider::EnableSpokenFeedback(
     base::DictionaryValue* args, IPC::Message* reply_message) {
   AutomationJSONReply reply(this, reply_message);
   scoped_ptr<base::DictionaryValue> return_value(new base::DictionaryValue);
   bool enabled;
   if (!args->GetBoolean("enabled", &enabled)) {
@@ skipping 118 matching lines @@
 
 void TestingAutomationProvider::AddChromeosObservers() {
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
       AddObserver(this);
 }
 
 void TestingAutomationProvider::RemoveChromeosObservers() {
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
       RemoveObserver(this);
 }