Moving notification types which are chrome specific to a new header file chrome_notification_type...

chrome/browser/history/expire_history_backend.h

Index: chrome/browser/history/expire_history_backend.h
===================================================================
--- chrome/browser/history/expire_history_backend.h	(revision 91968)
+++ chrome/browser/history/expire_history_backend.h	(working copy)
@@ -19,7 +19,6 @@
 
 class BookmarkService;
 class GURL;
-class NotificationType;
 class TestingProfile;
 
 namespace history {
@@ -35,7 +34,7 @@
  public:
   // Schedules a broadcast of the given notification on the application main
   // thread. The details argument will have ownership taken by this function.
-  virtual void BroadcastNotifications(NotificationType type,
+  virtual void BroadcastNotifications(int type,
                                       HistoryDetails* details_deleted) = 0;
 
  protected: