Add DefaultNetworkChanged signal for ConnectivityStateHelper observers

chrome/browser/chromeos/extensions/file_manager/file_manager_event_router.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_manager_event_router.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/prefs/pref_change_registrar.h"
@@ skipping 560 matching lines @@
     NOTREACHED();
     return;
   }
   scoped_ptr<extensions::Event> event(new extensions::Event(
       extensions::event_names::kOnFileBrowserDriveConnectionStatusChanged,
       scoped_ptr<ListValue>(new ListValue())));
   extensions::ExtensionSystem::Get(profile_)->event_router()->
       BroadcastEvent(event.Pass());
 }
 
+void FileManagerEventRouter::DefaultNetworkChanged() {
+  NetworkManagerChanged();
+}
+
 void FileManagerEventRouter::OnExternalStorageDisabledChanged() {
   // If the policy just got disabled we have to unmount every device currently
   // mounted. The opposite is fine - we can let the user re-plug her device to
   // make it available.
   if (profile_->GetPrefs()->GetBoolean(prefs::kExternalStorageDisabled)) {
     DiskMountManager* manager = DiskMountManager::GetInstance();
     DiskMountManager::MountPointMap mounts(manager->mount_points());
     for (DiskMountManager::MountPointMap::const_iterator it = mounts.begin();
          it != mounts.end(); ++it) {
       LOG(INFO) << "Unmounting " << it->second.mount_path
@@ skipping 492 matching lines @@
     base::FilePathWatcher* file_watcher) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (file_watcher) {
     file_watcher_ = file_watcher;
     callback.Run(true);
   } else {
     callback.Run(false);
   }
 }