Add the chrome.fileSystem.onVolumeListChanged event.

chrome/browser/chromeos/extensions/file_manager/event_router.cc

 // Copyright 2014 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/event_router.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/values.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/drive/file_change.h"
 #include "chrome/browser/chromeos/drive/file_system_interface.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_util.h"
 #include "chrome/browser/chromeos/file_manager/app_id.h"
 #include "chrome/browser/chromeos/file_manager/fileapi_util.h"
 #include "chrome/browser/chromeos/file_manager/open_util.h"
 #include "chrome/browser/chromeos/file_manager/volume_manager.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
 #include "chrome/browser/drive/drive_service_interface.h"
+#include "chrome/browser/extensions/api/file_system/file_system_api.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/login/login_state.h"
 #include "chromeos/network/network_handler.h"
 #include "chromeos/network/network_state_handler.h"
@@ skipping 822 matching lines @@
   // profile_ is NULL if ShutdownOnUIThread() is called earlier. This can
   // happen at shutdown. This should be removed after removing Drive mounting
   // code in addMount. (addMount -> OnFileSystemMounted -> OnVolumeMounted is
   // the only path to come here after Shutdown is called).
   if (!profile_)
     return;
 
   DispatchMountCompletedEvent(
       file_manager_private::MOUNT_COMPLETED_EVENT_TYPE_MOUNT, error_code,
       volume);
+
+  // TODO(mtomasz): Move VolumeManager and part of the event router outside of
+  // file_manager, so there is no dependency between File System API and the
+  // file_manager code.
+  extensions::file_system_api::DispatchVolumeListChangeEvent(profile_);
 }
 
 void EventRouter::OnVolumeUnmounted(chromeos::MountError error_code,
                                     const Volume& volume) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DispatchMountCompletedEvent(
       file_manager_private::MOUNT_COMPLETED_EVENT_TYPE_UNMOUNT, error_code,
       volume);
 }
 
@@ skipping 28 matching lines @@
 void EventRouter::SetDispatchDirectoryChangeEventImplForTesting(
     const DispatchDirectoryChangeEventImplCallback& callback) {
   dispatch_directory_change_event_impl_ = callback;
 }
 
 base::WeakPtr<EventRouter> EventRouter::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
 
 }  // namespace file_manager