Removed NOTIFICATION_BROWSER_CLOSING notification

chrome/browser/ui/browser_list.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_BROWSER_LIST_H_
 #define CHROME_BROWSER_UI_BROWSER_LIST_H_
 
 #include <stddef.h>
 
 #include <vector>
@@ skipping 39 matching lines @@
   // they were last active. The underlying data structure is a vector
   // and we push_back on recent access so a reverse iterator gives the
   // latest accessed browser first.
   const_reverse_iterator begin_last_active() const {
     return last_active_browsers_.rbegin();
   }
   const_reverse_iterator end_last_active() const {
     return last_active_browsers_.rend();
   }
 
+  size_t currently_closing_browsers_count() const {
+    return currently_closing_browsers_.size();
+  }
+
   static BrowserList* GetInstance();
 
   // Adds or removes |browser| from the list it is associated with. The browser
   // object should be valid BEFORE these calls (for the benefit of observers),
   // so notify and THEN delete the object.
   static void AddBrowser(Browser* browser);
   static void RemoveBrowser(Browser* browser);
 
   // Adds and removes |observer| from the observer list for all desktops.
   // Observers are responsible for making sure the notifying browser is relevant
   // to them (e.g., on the specific desktop they care about if any).
   static void AddObserver(chrome::BrowserListObserver* observer);
   static void RemoveObserver(chrome::BrowserListObserver* observer);
 
   // Moves all the browsers that show on workspace |new_workspace| to the end of
   // the browser list (i.e. the browsers that were "activated" most recently).
   static void MoveBrowsersInWorkspaceToFront(const std::string& new_workspace);
 
   // Called by Browser objects when their window is activated (focused).  This
   // allows us to determine what the last active Browser was on each desktop.
   static void SetLastActive(Browser* browser);
 
   // Notifies the observers when the current active browser becomes not active.
   static void NotifyBrowserNoLongerActive(Browser* browser);
 
+  // Notifies the observers when browser window is closing.
+  static void NotifyBrowserWindowClosing(Browser* browser);
+
+  // Notifies the observers when browser window close is cancelled.
+  static void NotifyBrowserCloseCancelled(Browser* browser);
+
   // Closes all browsers for |profile| across all desktops.
   // TODO(mlerman): Move the Profile Deletion flow to use the overloaded
   // version of this method with a callback, then remove this method.
   static void CloseAllBrowsersWithProfile(Profile* profile);
 
   // Closes all browsers for |profile| across all desktops. Uses
   // TryToCloseBrowserList() to do the actual closing. Trigger any
   // OnBeforeUnload events if |if_force| is false. If all OnBeforeUnload events
   // are confirmed or |skip_beforeunload| is true, |on_close_success| is called,
   // otherwise |on_close_aborted| is called.
@@ skipping 46 matching lines @@
       const CloseCallback& on_close_aborted,
       const base::FilePath& profile_path,
       const bool skip_beforeunload,
       bool tab_close_confirmed);
 
   // A vector of the browsers in this list, in the order they were added.
   BrowserVector browsers_;
   // A vector of the browsers in this list that have been activated, in the
   // reverse order in which they were last activated.
   BrowserVector last_active_browsers_;
+  // A vector of the browsers that is currently in closing state.

[sky, 2017/03/31 14:23:41]

are currently in the

[Alexey Seren, 2017/04/02 12:02:35]

Acknowledged.

+  BrowserVector currently_closing_browsers_;
 
   // A list of observers which will be notified of every browser addition and
   // removal across all BrowserLists.
   static base::LazyInstance<
       base::ObserverList<chrome::BrowserListObserver>>::Leaky observers_;
 
   static BrowserList* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserList);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_LIST_H_