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

chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.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/file_browser_private_api.h"
 
 #include <sys/stat.h>
 #include <sys/statvfs.h>
 #include <sys/types.h>
 #include <utime.h>
@@ skipping 1078 matching lines @@
 
   base::ListValue* file_url_list;
   if (!args_->GetList(1, &file_url_list))
     return false;
 
   content::SiteInstance* site_instance = render_view_host()->GetSiteInstance();
   scoped_refptr<fileapi::FileSystemContext> context =
       BrowserContext::GetStoragePartition(profile(), site_instance)->
           GetFileSystemContext();
 
-  std::set<std::string> suffixes = GetUniqueSuffixes(file_url_list, context);
+  std::set<std::string> suffixes =
+      GetUniqueSuffixes(file_url_list, context.get());
 
   // MIME types are an optional parameter.
   base::ListValue* mime_type_list;
   std::set<std::string> mime_types;
   if (args_->GetList(2, &mime_type_list) && !mime_type_list->empty()) {
     if (mime_type_list->GetSize() != file_url_list->GetSize())
       return false;
     mime_types = GetUniqueMimeTypes(mime_type_list);
   }
 
@@ skipping 1975 matching lines @@
 OpenNewWindowFunction::OpenNewWindowFunction() {}
 
 OpenNewWindowFunction::~OpenNewWindowFunction() {}
 
 bool OpenNewWindowFunction::RunImpl() {
   std::string url;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &url));
   file_manager_util::OpenNewWindow(profile_, GURL(url));
   return true;
 }