Create //components/ntp_tiles.

components/ntp_tiles/pref_names.h

Index: components/ntp_tiles/pref_names.h
diff --git a/components/ntp_tiles/pref_names.h b/components/ntp_tiles/pref_names.h
new file mode 100644
index 0000000000000000000000000000000000000000..b71b19fb8355dfe54a1d15afb9c6ecb6bd40c9c2
--- /dev/null
+++ b/components/ntp_tiles/pref_names.h
@@ -0,0 +1,17 @@
+// Copyright 2016 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 COMPONENTS_NTP_TILES_PREF_NAMES_H_
+#define COMPONENTS_NTP_TILES_PREF_NAMES_H_
+
+namespace ntp_tiles {
+namespace prefs {
+
+extern const char kNTPSuggestionsURL[];
+extern const char kNTPSuggestionsIsPersonal[];
+
+}  // namespace prefs
+}  // namespace ntp_tiles
+
+#endif  // COMPONENTS_NTP_TILES_PREF_NAMES_H_