Attempt at fixing possible shutdown crash

chrome/browser/ui/views/frame/browser_shutdown.cc

Index: chrome/browser/ui/views/frame/browser_shutdown.cc
diff --git a/chrome/browser/ui/views/frame/browser_shutdown.cc b/chrome/browser/ui/views/frame/browser_shutdown.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0600ee6c8b052ffa162c4db06cf9d9b022c94335
--- /dev/null
+++ b/chrome/browser/ui/views/frame/browser_shutdown.cc
@@ -0,0 +1,16 @@
+// Copyright (c) 2014 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.
+
+#include "chrome/browser/ui/views/frame/browser_shutdown.h"
+
+#include "base/memory/scoped_vector.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "content/public/browser/web_contents.h"
+
+void DestroyBrowserWebContents(Browser* browser) {
+  ScopedVector<content::WebContents> contents;
+  while (browser->tab_strip_model()->count())
+    contents.push_back(browser->tab_strip_model()->DetachWebContentsAt(0));
+}