Create //components/ntp_tiles.

components/ntp_tiles/switches.h

Index: components/ntp_tiles/switches.h
diff --git a/components/ntp_tiles/switches.h b/components/ntp_tiles/switches.h
new file mode 100644
index 0000000000000000000000000000000000000000..2405e7d185a7732e5b85f1bd6c8b9aade340e61b
--- /dev/null
+++ b/components/ntp_tiles/switches.h
@@ -0,0 +1,19 @@
+// 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_SWITCHES_H_
+#define COMPONENTS_NTP_TILES_SWITCHES_H_
+
+namespace ntp_tiles {
+namespace switches {
+
+extern const char kEnableNTPSearchEngineCountryDetection[];
+
+extern const char kEnableNTPPopularSites[];
+extern const char kDisableNTPPopularSites[];
+
+}  // namespace switches
+}  // namespace ntp_tiles
+
+#endif  // COMPONENTS_NTP_TILES_SWITCHES_H_