Export content_common dependency from some content targets.

content/public/browser/notification_presenter_permission.h

+// 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.
+
+#ifndef CONTENT_PUBLIC_BROWSER_NOTIFICATION_PRESENTER_PERMISSION_H_
+#define CONTENT_PUBLIC_BROWSER_NOTIFICATION_PRESENTER_PERMISSION_H_
+
+namespace content {
+
+// This must match to blink::WebNotificationPresenter::Permission.
+enum NotificationPresenterPermission {
+  NOTIFICATION_PRESENTER_PERMISSION_ALLOWED,
+  NOTIFICATION_PRESENTER_PERMISSION_NOT_ALLOWED,
+  NOTIFICATION_PRESENTER_PERMISSION_DENIED,
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_NOTIFICATION_PRESENTER_PERMISSION_H_