Update CrOS to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/google/google_util_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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
@@ skipping 46 matching lines @@
       !content::BrowserThread::IsWellKnownThread(content::BrowserThread::UI) ||
       content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   if (g_brand_empty)
     return std::string();
   DCHECK(g_browser_process->local_state());
   return g_browser_process->local_state()->GetString(prefs::kRLZBrand);
 }
 
 void SetBrandFromFile(const base::Closure& callback) {
   base::PostTaskAndReplyWithResult(
-      base::WorkerPool::GetTaskRunner(false /* task_is_slow */),
+      base::WorkerPool::GetTaskRunner(false /* task_is_slow */).get(),
       FROM_HERE,
       base::Bind(&ReadBrandFromFile),
       base::Bind(&SetBrand, callback));
 }
 
 }  // namespace chromeos
 }  // namespace google_util