Remove NOTIFICATION_EXTENSION_PAGE_ACTIONS_UPDATED

extensions/browser/notification_types.h

Index: extensions/browser/notification_types.h
diff --git a/extensions/browser/notification_types.h b/extensions/browser/notification_types.h
index 32725bc4019796167ea178d8cc702a4d04ccfed7..d0b2c56caad833426630ed12bb6604761fa53f04 100644
--- a/extensions/browser/notification_types.h
+++ b/extensions/browser/notification_types.h
@@ -126,10 +126,6 @@ enum NotificationType {
   // extension's ID.
   NOTIFICATION_EXTENSION_BROWSER_ACTION_VISIBILITY_CHANGED,
 
-  // Sent when the page actions have been updated. The source is a WebContents*,
-  // and there are no details.
-  NOTIFICATION_EXTENSION_PAGE_ACTIONS_UPDATED,
-
   // Sent when an extension command has been removed. The source is the
   // BrowserContext* and the details is a std::pair of two std::string objects
   // (an extension ID and the name of the command being removed).