Revert 148281 - Remove details from BROWSER_CLOSING and BROWSER_CLOSED notifications.

chrome/common/chrome_notification_types.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_COMMON_CHROME_NOTIFICATION_TYPES_H_
 #define CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_
 
 #include "content/public/browser/notification_types.h"
 
 namespace chrome {
 
 enum NotificationType {
   NOTIFICATION_CHROME_START = content::NOTIFICATION_CONTENT_END,
 
   // Browser-window ----------------------------------------------------------
 
   // This message is sent after a window has been opened.  The source is a
   // Source<Browser> containing the affected Browser.  No details are
   // expected.
   NOTIFICATION_BROWSER_OPENED = NOTIFICATION_CHROME_START,
 
   // This message is sent soon after BROWSER_OPENED, and indicates that
   // the Browser's |window_| is now non-NULL. The source is a Source<Browser>
   // containing the affected Browser.  No details are expected.
   NOTIFICATION_BROWSER_WINDOW_READY,
 
   // This message is sent when a browser is closing. The source is a
-  // Source<Browser> containing the affected Browser. No details are expected.
-  // This is sent prior to BROWSER_CLOSED, and may be sent more than once for a
-  // particular browser.
+  // Source<Browser> containing the affected Browser. Details is a boolean
+  // that if true indicates that the application will be closed as a result of
+  // this browser window closure (i.e. this was the last opened browser
+  // window on win/linux). This is sent prior to BROWSER_CLOSED, and may be
+  // sent more than once for a particular browser.
   NOTIFICATION_BROWSER_CLOSING,
 
   // This message is sent after a window has been closed.  The source is a
-  // Source<Browser> containing the affected Browser.  No details are exptected.
+  // Source<Browser> containing the affected Browser.  Details is a boolean
+  // that if true indicates that the last browser window has closed - this
+  // does not indicate that the application is exiting (observers should
+  // listen for APP_TERMINATING if they want to detect when the application
+  // will shut down). Note that the boolean pointed to by details is only
+  // valid for the duration of this call.
   NOTIFICATION_BROWSER_CLOSED,
 
   // This message is sent when closing a browser has been cancelled, either by
   // the user cancelling a beforeunload dialog, or IsClosingPermitted()
   // disallowing closing. This notification implies that no BROWSER_CLOSING or
   // BROWSER_CLOSED notification will be sent.
   // The source is a Source<Browser> containing the affected browser. No details
   // are expected.
   NOTIFICATION_BROWSER_CLOSE_CANCELLED,
 
@@ skipping 1182 matching lines @@
   // Currently only Content and Chrome define and use notifications.
   // Custom notifications not belonging to Content and Chrome should start
   // from here.
   NOTIFICATION_CHROME_END,
 };
 
 }  // namespace chrome
 
 
 #endif  // CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_