Implement Permissions.query() and static PermissionStatus.

public/platform/modules/permissions/WebPermissionType.h

Index: public/platform/modules/permissions/WebPermissionType.h
diff --git a/public/platform/modules/permissions/WebPermissionType.h b/public/platform/modules/permissions/WebPermissionType.h
new file mode 100644
index 0000000000000000000000000000000000000000..0a46f7c7444f3e29c755bcbd3111676b33c13457
--- /dev/null
+++ b/public/platform/modules/permissions/WebPermissionType.h
@@ -0,0 +1,19 @@
+// 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 WebPermissionType_h
+#define WebPermissionType_h
+
+namespace blink {
+
+enum WebPermissionType {
+    WebPermissionTypeGeolocation,
+    WebPermissionTypeNotifications,
+    WebPermissionTypePushNotifications,
+    WebPermissionTypeMidiSysEx,
+};
+
+} // namespace blink
+
+#endif // WebPermissionType_h