Remove wstring from RVH's run Javascript command....

chrome/browser/chromeos/login/account_screen.cc

 // Copyright (c) 2010 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/chromeos/login/account_screen.h"
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
@@ skipping 108 matching lines @@
     CloseScreen(ScreenObserver::CONNECTION_FAILED);
   }
 }
 
 void AccountScreen::NavigationStateChanged(const TabContents* source,
                                            unsigned changed_flags) {
   if (source->render_view_host()) {
     source->render_view_host()->InsertCSSInWebFrame(
         L"", kCreateAccountCSS, "");
     source->render_view_host()->ExecuteJavascriptInWebFrame(
-        L"", ASCIIToWide(kCreateAccountJS));
+        string16(), ASCIIToUTF16(kCreateAccountJS));
   }
 }
 
 void AccountScreen::HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {
   views::Widget* widget = view()->GetWidget();
   if (widget && event.os_event && !event.skip_in_browser)
     static_cast<views::WidgetGtk*>(widget)->HandleKeyboardEvent(event.os_event);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ skipping 29 matching lines @@
   // password.
   if (g_browser_process) {
     const std::string locale = g_browser_process->GetApplicationLocale();
     input_method::EnableInputMethods(
         locale, input_method::kKeyboardLayoutsOnly, "");
   }
   delegate()->GetObserver(this)->OnExit(code);
 }
 
 }  // namespace chromeos