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

chrome/browser/ui/webui/help/help_handler.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/ui/webui/help/help_handler.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 329 matching lines @@
       &tracker_);
 
   web_ui()->CallJavascriptFunction(
       "help.HelpPage.updateEnableReleaseChannel",
       base::FundamentalValue(CanChangeChannel()));
 
   if (g_build_date_string == NULL) {
     // If |g_build_date_string| is |NULL|, the date has not yet been assigned.
     // Get the date of the last lsb-release file modification.
     base::FileUtilProxy::GetFileInfo(
-        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
+        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get(),
         base::SysInfo::GetLsbReleaseFilePath(),
         base::Bind(&HelpHandler::ProcessLsbFileInfo,
                    weak_factory_.GetWeakPtr()));
   } else {
     web_ui()->CallJavascriptFunction("help.HelpPage.setBuildDate",
                                      *g_build_date_string);
   }
 #endif  // defined(OS_CHROMEOS)
 
   version_updater_->CheckForUpdate(
@@ skipping 206 matching lines @@
 
     // Note that this string will be internationalized.
     string16 build_date = base::TimeFormatFriendlyDate(time);
     g_build_date_string = Value::CreateStringValue(build_date);
   }
 
   web_ui()->CallJavascriptFunction("help.HelpPage.setBuildDate",
                                    *g_build_date_string);
 }
 #endif // defined(OS_CHROMEOS)