Supports window teleports for notifications.

chrome/browser/ui/ash/multi_user/multi_user_window_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_ASH_MULTI_USER_MULTI_USER_WINDOW_MANAGER_H_
 #define CHROME_BROWSER_UI_ASH_MULTI_USER_MULTI_USER_WINDOW_MANAGER_H_
 
 #include <map>
+#include <set>
 #include <string>
 
 class Browser;
 class Profile;
 
 namespace aura {
 class Window;
 }
 
 namespace chrome {
@@ skipping 64 matching lines @@
   // might be available for every user and not belong explicitly to one).
   // Note that a window can only be shown on one desktop at a time. Note that
   // when the window gets minimized, it will automatically fall back to the
   // owner's desktop.
   virtual void ShowWindowForUser(
       aura::Window* window, const std::string& user_id) = 0;
 
   // Returns true when windows are shared among users.
   virtual bool AreWindowsSharedAmongUsers() = 0;
 
+  // Get the owners for the visible windows and set them to |user_ids|.
+  virtual void GetOwnersOfVisibleWindows(std::set<std::string>* user_ids) = 0;
+
   // A query call for a given window to see if it is on the given user's
   // desktop.
   virtual bool IsWindowOnDesktopOfUser(aura::Window* window,
                                        const std::string& user_id) = 0;
 
   // Get the user on which the window is currently shown. If an empty string is
   // passed back the window will be presented for every user.
   virtual const std::string& GetUserPresentingWindow(aura::Window* window) = 0;
 
   // Adds user to monitor starting and running V1/V2 application windows.
   // Returns immediately if the user (identified by a |profile|) is already
   // known to the manager. Note: This function is not implemented as a
   // SessionStateObserver to coordinate the timing of the addition with other
   // modules.
   virtual void AddUser(Profile* profile) = 0;
 
  protected:
   virtual ~MultiUserWindowManager() {}
 
  private:
   // Caching the current multi profile mode since the detection is expensive.
   static MultiProfileMode multi_user_mode_;
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_ASH_MULTI_USER_MULTI_USER_WINDOW_MANAGER_H_