Remove chrome::NOTIFICATION_INSTANT_TAB_SUPPORT_DETERMINED

chrome/browser/chrome_notification_types.h

 // Copyright 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_CHROME_NOTIFICATION_TYPES_H_
 #define CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_
 
 #include "build/build_config.h"
 
 #if defined(ENABLE_EXTENSIONS)
@@ skipping 417 matching lines @@
 
   // Notification that the nested loop using during tab dragging has returned.
   // Used for testing.
   NOTIFICATION_TAB_DRAG_LOOP_DONE,
 #endif
 
   // Send when a context menu is shown. Used to notify tests that the context
   // menu has been created and shown.
   NOTIFICATION_RENDER_VIEW_CONTEXT_MENU_SHOWN,
 
-  // Sent when the Instant Controller determines whether an Instant tab supports
-  // the Instant API or not.
-  NOTIFICATION_INSTANT_TAB_SUPPORT_DETERMINED,
-
   // Sent when the CaptivePortalService checks if we're behind a captive portal.
   // The Source is the Profile the CaptivePortalService belongs to, and the
   // Details are a Details<CaptivePortalService::CheckResults>.
   NOTIFICATION_CAPTIVE_PORTAL_CHECK_RESULT,
 
   // Sent when the applications in the NTP app launcher have been reordered.
   // The details, if not NoDetails, is the std::string ID of the extension that
   // was moved.
   NOTIFICATION_APP_LAUNCHER_REORDERED,
 
@@ skipping 45 matching lines @@
   // Note:-
   // 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_BROWSER_CHROME_NOTIFICATION_TYPES_H_