Revert of Delete "shutdown without closing browsers" path

chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc

Index: chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
diff --git a/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc b/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
index aa4a15b2c4effd089c3e84a7dbcb4ab6988933c1..ebaf3285b545b2a7197b0d7e518eb1c276ff26d7 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
+++ b/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
@@ -18,6 +18,7 @@
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ -994,7 +995,12 @@
 }
 
 void BookmarkBarView::BookmarkModelBeingDeleted(BookmarkModel* model) {
-  NOTREACHED();
+  // In normal shutdown The bookmark model should never be deleted before us.
+  // When X exits suddenly though, it can happen, This code exists
+  // to check for regressions in shutdown code and not crash.
+  if (!browser_shutdown::ShuttingDownWithoutClosingBrowsers())
+    NOTREACHED();
+
   // Do minimal cleanup, presumably we'll be deleted shortly.
   model_->RemoveObserver(this);
   model_ = NULL;