Require explicit selection of traits for LazyInstance

chrome/browser/chromeos/arc/intent_helper/arc_external_protocol_dialog.cc

 // Copyright 2016 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/chromeos/arc/intent_helper/arc_external_protocol_dialog.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
@@ skipping 17 matching lines @@
 #include "url/gurl.h"
 
 using content::WebContents;
 
 namespace arc {
 
 namespace {
 
 // TODO(yusukes|djacobo): Find a better way to detect a request loop and remove
 // the global variables.
-base::LazyInstance<GURL> g_last_url = LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<GURL>::DestructorAtExit g_last_url =
+    LAZY_INSTANCE_INITIALIZER;
 ui::PageTransition g_last_page_transition;
 
 // Shows the Chrome OS' original external protocol dialog as a fallback.
 void ShowFallbackExternalProtocolDialog(int render_process_host_id,
                                         int routing_id,
                                         const GURL& url) {
   WebContents* web_contents =
       tab_util::GetWebContentsByID(render_process_host_id, routing_id);
   new ExternalProtocolDialog(web_contents, url);
 }
@@ skipping 458 matching lines @@
 bool IsSafeToRedirectToArcWithoutUserConfirmationForTesting(
     const GURL& url,
     ui::PageTransition page_transition,
     const GURL& last_url,
     ui::PageTransition last_page_transition) {
   return IsSafeToRedirectToArcWithoutUserConfirmation(
       url, page_transition, last_url, last_page_transition);
 }
 
 }  // namespace arc