Create bookmarks component with names of bookmark preferences

components/bookmarks.gypi

Index: components/bookmarks.gypi
diff --git a/components/bookmarks.gypi b/components/bookmarks.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..2a6da83b9658455e876a325098f588ab0e79dc01
--- /dev/null
+++ b/components/bookmarks.gypi
@@ -0,0 +1,22 @@
+# 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.
+
+{
+  'targets': [
+    {
+      'target_name': 'bookmarks_core_common',
+      'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
+      'dependencies': [
+        '../base/base.gyp:base',
+      ],
+      'sources': [
+        'bookmarks/core/common/bookmark_pref_names.cc',
+        'bookmarks/core/common/bookmark_pref_names.h',
+      ],
+    },
+  ],
+}