Create bookmarks component with names of bookmark preferences

components/bookmarks/bookmark_pref_names.cc

Index: components/bookmarks/bookmark_pref_names.cc
diff --git a/components/bookmarks/bookmark_pref_names.cc b/components/bookmarks/bookmark_pref_names.cc
new file mode 100644
index 0000000000000000000000000000000000000000..03fa7da3636c0795a86462f21bfb7c4cb68efda7
--- /dev/null
+++ b/components/bookmarks/bookmark_pref_names.cc
@@ -0,0 +1,28 @@
+// Copyright (c) 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.
+
+#include "components/bookmarks/bookmark_pref_names.h"
+
+namespace prefs {
+// Boolean which specifies the ids of the bookmark nodes that are expanded in
+// the bookmark editor.
+const char kBookmarkEditorExpandedNodes[] = "bookmark_editor.expanded_nodes";
+
+// Boolean that is true when bookmark prompt is enabled.
+const char kBookmarkPromptEnabled[] = "bookmark_prompt_enabled";
+
+// Number of times bookmark prompt displayed.
+const char kBookmarkPromptImpressionCount[] =
+    "bookmark_prompt_impression_count";
+
+// Boolean which specifies whether the bookmark bar is visible on all tabs.
+const char kShowBookmarkBar[] = "bookmark_bar.show_on_all_tabs";
+
+// Modifying bookmarks is completely disabled when this is set to false.
+const char kEditBookmarksEnabled[] = "bookmarks.editing_enabled";
+
+// Boolean which specifies whether the apps shortcut is visible on the bookmark
+// bar.
+const char kShowAppsShortcutInBookmarkBar[] = "bookmark_bar.show_apps_shortcut";
+}  // namespace prefs