Run clang-modernize -use-nullptr over src/extensions/.

extensions/test/result_catcher.cc

 // Copyright 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 "extensions/test/result_catcher.h"
 
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/browser/notification_types.h"
 
 namespace extensions {
 
 ResultCatcher::ResultCatcher()
-    : browser_context_restriction_(NULL), waiting_(false) {
+    : browser_context_restriction_(nullptr), waiting_(false) {
   registrar_.Add(this,
                  extensions::NOTIFICATION_EXTENSION_TEST_PASSED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  extensions::NOTIFICATION_EXTENSION_TEST_FAILED,
                  content::NotificationService::AllSources());
 }
 
 ResultCatcher::~ResultCatcher() {
 }
@@ skipping 46 matching lines @@
       if (waiting_)
         base::MessageLoopForUI::current()->Quit();
       break;
 
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace extensions