Add utf_string_conversions to base namespace.

chrome/browser/password_manager/password_store_default_unittest.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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
@@ skipping 214 matching lines @@
   store->AddLogin(*form);
 
   // The PasswordStore schedules tasks to run on the DB thread so we schedule
   // yet another task to notify us that it's safe to carry on with the test.
   WaitableEvent done(false, false);
   BrowserThread::PostTask(BrowserThread::DB, FROM_HERE,
       base::Bind(&WaitableEvent::Signal, base::Unretained(&done)));
   done.Wait();
 
   // Change the password.
-  form->password_value = WideToUTF16(L"a different password");
+  form->password_value = base::WideToUTF16(L"a different password");
 
   const PasswordStoreChange expected_update_changes[] = {
     PasswordStoreChange(PasswordStoreChange::UPDATE, *form),
   };
 
   EXPECT_CALL(helper->observer(),
       Observe(int(chrome::NOTIFICATION_LOGINS_CHANGED),
               content::Source<PasswordStore>(store),
               Property(&content::Details<const PasswordStoreChangeList>::ptr,
                        Pointee(ElementsAreArray(
@@ skipping 21 matching lines @@
   // Deleting the login should trigger a notification.
   store->RemoveLogin(*form);
 
   // Wait for PasswordStore to send the notification.
   BrowserThread::PostTask(BrowserThread::DB, FROM_HERE,
       base::Bind(&WaitableEvent::Signal, base::Unretained(&done)));
   done.Wait();
 
   store->ShutdownOnUIThread();
 }