Experiment with dislodging the Extension Shelf and having it only appear on t...

chrome/common/notification_type.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 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.
 //
 // It is written as an enum inside a class so that it can be forward declared.
@@ skipping 367 matching lines @@
     // with a pointer to the TabContents. Details encompass a
     // FindNotificationDetail object that tells whether the match was found or
     // not found.
     FIND_RESULT_AVAILABLE,
 
     // This is sent when the users preference for when the bookmark bar should
     // be shown changes. The source is the profile, and the details are
     // NoDetails.
     BOOKMARK_BAR_VISIBILITY_PREF_CHANGED,
 
+    // This is sent when the user's preference (for when the extension shelf
+    // should be shown) changes. The source is the profile, and the details are
+    // NoDetails.
+    EXTENSION_SHELF_VISIBILITY_PREF_CHANGED,
+
     // Used to monitor web cache usage by notifying whenever the
     // CacheManagerHost observes new UsageStats. The source will be the
     // RenderProcessHost that corresponds to the new statistics. Details are a
     // UsageStats object sent by the renderer, and should be copied - ptr not
     // guaranteed to be valid after the notification.
     WEB_CACHE_STATS_OBSERVED,
 
     // Child Processes ---------------------------------------------------------
 
     // This notification is sent when a child process host has connected to a
@@ skipping 281 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_