Fix for URL opening code

content/public/test/repeated_notification_observer.cc

Index: content/public/test/repeated_notification_observer.cc
diff --git a/content/public/test/repeated_notification_observer.cc b/content/public/test/repeated_notification_observer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..097ec901b50400de314d5db8e4be22185429c9af
--- /dev/null
+++ b/content/public/test/repeated_notification_observer.cc
@@ -0,0 +1,39 @@
+// Copyright 2017 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 "content/public/test/repeated_notification_observer.h"
+
+#include "base/auto_reset.h"
+#include "base/macros.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/notification_service.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+RepeatedNotificationObserver::RepeatedNotificationObserver(int type, int count)
+    : num_outstanding_(count), running_(false) {
+  registrar_.Add(this, type, NotificationService::AllSources());
+}
+
+void RepeatedNotificationObserver::Observe(int type,
+                                           const NotificationSource& source,
+                                           const NotificationDetails& details) {
+  ASSERT_GT(num_outstanding_, 0);
+  if (!--num_outstanding_ && running_)
+    run_loop_.QuitWhenIdle();
+}
+
+void RepeatedNotificationObserver::Wait() {
+  if (num_outstanding_ <= 0)
+    return;
+
+  {
+    DCHECK(!running_);
+    base::AutoReset<bool> auto_reset(&running_, true);
+    run_loop_.Run();
+  }
+}
+
+}  // namespace content