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

chrome/browser/chromeos/extensions/file_manager/zip_file_creator.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/chromeos/extensions/file_manager/zip_file_creator.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util_proxy.h"
 #include "base/memory/scoped_handle.h"
@@ skipping 78 matching lines @@
       BrowserThread::IO, FROM_HERE,
       base::Bind(&ZipFileCreator::StartProcessOnIOThread, this, dest_file));
 }
 
 void ZipFileCreator::StartProcessOnIOThread(base::PlatformFile dest_file) {
   base::FileDescriptor dest_fd;
   dest_fd.fd = dest_file;
   dest_fd.auto_close = true;
 
   UtilityProcessHost* host = UtilityProcessHost::Create(
-      this, BrowserThread::GetMessageLoopProxyForThread(thread_identifier_));
+      this,
+      BrowserThread::GetMessageLoopProxyForThread(thread_identifier_).get());
   host->Send(new ChromeUtilityMsg_CreateZipFile(src_dir_, src_relative_paths_,
                                                 dest_fd));
 }
 
 void ZipFileCreator::OnCreateZipFileSucceeded() {
   ReportDone(true);
 }
 
 void ZipFileCreator::OnCreateZipFileFailed() {
   ReportDone(false);
 }
 
 void ZipFileCreator::ReportDone(bool success) {
   // Skip check for unittests.
   if (thread_identifier_ != BrowserThread::ID_COUNT)
     DCHECK(BrowserThread::CurrentlyOn(thread_identifier_));
 
   // Guard against calling observer multiple times.
   if (got_response_)
     return;
 
   got_response_ = true;
   observer_->OnZipDone(success);
 }
 
 }  // namespace extensions