Support for file listing in privet local filesystem

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 2525 matching lines @@
 #endif
 
   additional_backends->push_back(
       new sync_file_system::SyncFileSystemBackend(
           Profile::FromBrowserContext(browser_context)));
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnablePrivetStorage)) {
     additional_backends->push_back(
         new local_discovery::PrivetFileSystemBackend(
-            fileapi::ExternalMountPoints::GetSystemInstance()));
+            fileapi::ExternalMountPoints::GetSystemInstance(),
+            browser_context));
   }
 }
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
     const CommandLine& command_line,
     int child_process_id,
     std::vector<FileDescriptorInfo>* mappings) {
 #if defined(OS_ANDROID)
   base::FilePath data_path;
@@ skipping 114 matching lines @@
   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
   // Chromium builds as well.
   return channel <= chrome::VersionInfo::CHANNEL_DEV;
 #else
   return false;
 #endif
 }
 
 
 }  // namespace chrome