Clean up NOTIFICATION_EXTENSION_PAGE_ACTION_[ COUNT | VISIBILITY ]_CHANGED

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 cf512e472e9a5996b9ec589f27892a12beb5d1a8..32725bc4019796167ea178d8cc702a4d04ccfed7 100644
--- a/extensions/browser/notification_types.h
+++ b/extensions/browser/notification_types.h
@@ -126,9 +126,9 @@ enum NotificationType {
   // extension's ID.
   NOTIFICATION_EXTENSION_BROWSER_ACTION_VISIBILITY_CHANGED,
 
-  // Sent when a page action's visibility has changed. The source is the
-  // ExtensionAction* that changed. The details are a WebContents*.
-  NOTIFICATION_EXTENSION_PAGE_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