Removed NOTIFICATION_BROWSER_CLOSING notification

chrome/browser/ui/browser_list.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/ui/browser_list.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/logging.h"
@@ skipping 231 matching lines @@
     observer.OnBrowserSetLastActive(browser);
 }
 
 // static
 void BrowserList::NotifyBrowserNoLongerActive(Browser* browser) {
   for (chrome::BrowserListObserver& observer : observers_.Get())
     observer.OnBrowserNoLongerActive(browser);
 }
 
 // static
+void BrowserList::NotifyBrowserCloseStarted(Browser* browser) {
+  for (chrome::BrowserListObserver& observer : observers_.Get())
+    observer.OnBrowserCloseStarted(browser);
+}
+
+// static
 bool BrowserList::IsIncognitoSessionActive() {
   for (auto* browser : *BrowserList::GetInstance()) {
     if (browser->profile()->IsOffTheRecord())
       return true;
   }
   return false;
 }
 
 // static
 bool BrowserList::IsIncognitoSessionActiveForProfile(Profile* profile) {
@@ skipping 16 matching lines @@
 }
 
 // static
 void BrowserList::RemoveBrowserFrom(Browser* browser,
                                     BrowserVector* browser_list) {
   BrowserVector::iterator remove_browser =
       std::find(browser_list->begin(), browser_list->end(), browser);
   if (remove_browser != browser_list->end())
     browser_list->erase(remove_browser);
 }