media: Add DefaultMediaPermission.

media/filters/default_media_permission.h

+// Copyright 2015 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 MEDIA_FILTERS_DEFAULT_MEDIA_PERMISSION_H_
+#define MEDIA_FILTERS_DEFAULT_MEDIA_PERMISSION_H_
+
+#include "media/base/media_export.h"
+#include "media/base/media_permission.h"
+
+namespace media {
+
+// Default MediaPermission implementation that will always allow or deny the
+// permission request/check based on |allow|.
+// WARNING: This class allows or denies permission request/check without real
+// user's consent. It should NOT be used in a real user facing product.
+class MEDIA_EXPORT DefaultMediaPermission : public MediaPermission {
+ public:
+  explicit DefaultMediaPermission(bool allow);
+  ~DefaultMediaPermission() override;
+
+  // media::MediaPermission implementation.
+  void HasPermission(Type type,
+                     const GURL& security_origin,
+                     const PermissionStatusCB& permission_status_cb) override;
+  void RequestPermission(
+      Type type,
+      const GURL& security_origin,
+      const PermissionStatusCB& permission_status_cb) override;
+
+ private:
+  const bool allow_;
+
+  DISALLOW_COPY_AND_ASSIGN(DefaultMediaPermission);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_FILTERS_DEFAULT_MEDIA_PERMISSION_H_