[Suggestions] Moving suggestions code to a new component

components/suggestions/suggestions_pref_names.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 COMPONENTS_SUGGESTIONS_SUGGESTIONS_PREF_NAMES_H_
+#define COMPONENTS_SUGGESTIONS_SUGGESTIONS_PREF_NAMES_H_
+
+namespace suggestions {
+namespace prefs {
+
+// Alphabetical list of preference names specific to the Suggestions
+// component. Keep alphabetized, and document each in the .cc file.
+extern const char kSuggestionsBlacklist[];
+extern const char kSuggestionsData[];
+
+}  // namespace prefs
+}  // namespace suggestions
+
+#endif  // COMPONENTS_SUGGESTIONS_SUGGESTIONS_PREF_NAMES_H_