Fix crash due to AutocompletePopup trying to draw the old results when they w...

chrome/common/notification_type.h

 // Copyright (c) 2006-2008 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_NOTIFICATION_TYPE_H_
 #define CHROME_COMMON_NOTIFICATION_TYPE_H_
 
 // This file describes various types used to describe and filter notifications
 // that pass through the NotificationService.
 //
@@ skipping 475 matching lines @@
     // Sent when a default request context has been created, so calling
     // Profile::GetDefaultRequestContext() will not return NULL.  This is sent
     // on the thread where Profile::GetRequestContext() is first called, which
     // should be the UI thread.
     DEFAULT_REQUEST_CONTEXT_AVAILABLE,
 
     // Autocomplete ------------------------------------------------------------
 
     // Sent by the autocomplete controller at least once per query, each time
     // new matches are available, subject to rate-limiting/coalescing to reduce
-    // the number of updates.  There are no details.
+    // the number of updates.  The details hold the AutocompleteResult that
+    // observers should use if they want to see the updated matches.
     AUTOCOMPLETE_CONTROLLER_RESULT_UPDATED,
 
     // Sent by the autocomplete controller once per query, immediately after
-    // synchronous matches become available.  There are no details.
+    // synchronous matches become available.  The details hold the
+    // AutocompleteResult that observers should use if they want to see the
+    // synchronous matches.
     AUTOCOMPLETE_CONTROLLER_SYNCHRONOUS_MATCHES_AVAILABLE,
 
     // This is sent when an item of the Omnibox popup is selected. The source
     // is the profile.
     OMNIBOX_OPENED_URL,
 
     // Sent by the autocomplete edit when it is destroyed.
     AUTOCOMPLETE_EDIT_DESTROYED,
 
     // Sent when the main Google URL has been updated.  Some services cache
@@ skipping 78 matching lines @@
 };
 
 inline bool operator==(NotificationType::Type a, NotificationType b) {
   return a == b.value;
 }
 inline bool operator!=(NotificationType::Type a, NotificationType b) {
   return a != b.value;
 }
 
 #endif  // CHROME_COMMON_NOTIFICATION_TYPE_H_