Media indicator for background recording task

chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.cc

 // Copyright 2013 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/ash/multi_user/multi_user_window_manager_chromeos.h"
 
 #include "apps/app_window.h"
 #include "apps/app_window_registry.h"
 #include "ash/ash_switches.h"
 #include "ash/multi_profile_uma.h"
 #include "ash/root_window_controller.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
+#include "ash/system/tray/system_tray_notifier.h"
 #include "ash/wm/window_state.h"
 #include "base/auto_reset.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_notification_blocker_chromeos.h"
@@ skipping 366 matching lines @@
 
 void MultiUserWindowManagerChromeOS::ActiveUserChanged(
     const std::string& user_id) {
   DCHECK(user_id != current_user_id_);
   // This needs to be set before the animation starts.
   current_user_id_ = user_id;
 
   animation_.reset(
       new UserSwichAnimatorChromeOS(
           this, user_id, GetAdjustedAnimationTimeInMS(kUserFadeTimeMS)));
+  // Call notifier here instead of observing ActiveUserChanged because
+  // this must happen after MultiUserWindowManagerChromeOS is notified.
+  ash::Shell::GetInstance()
+      ->system_tray_notifier()
+      ->NotifyMediaCaptureChanged();
 }
 
 void MultiUserWindowManagerChromeOS::OnWindowDestroyed(aura::Window* window) {
   if (GetWindowOwner(window).empty()) {
     // This must be a window in the transient chain - remove it and its
     // children from the owner.
     RemoveTransientOwnerRecursive(window);
     return;
   }
   wm::TransientWindowManager::Get(window)->RemoveObserver(this);
@@ skipping 289 matching lines @@
   DCHECK_EQ(visible, window->IsVisible());
 }
 
 int MultiUserWindowManagerChromeOS::GetAdjustedAnimationTimeInMS(
     int default_time_in_ms) const {
   return animation_speed_ == ANIMATION_SPEED_NORMAL ? default_time_in_ms :
       (animation_speed_ == ANIMATION_SPEED_FAST ? 10 : 0);
 }
 
 }  // namespace chrome