const char kBrowserWindowPlacement[] = "browser.window_placement";
const char kShowBookmarkBar[] = "bookmark_bar.show_on_all_tabs";
-const char* overlay_key = kBrowserWindowPlacement;
-const char* regular_key = kShowBookmarkBar;
+const char* const overlay_key = kBrowserWindowPlacement;
+const char* const regular_key = kShowBookmarkBar;
// With the removal of the kWebKitGlobalXXX prefs, we'll no longer have real
// prefs using the overlay pref store, so make up keys here.
-const char* mapped_overlay_key = "test.per_tab.javascript_enabled";
-const char* mapped_underlay_key = "test.per_profile.javascript_enabled";
+const char mapped_overlay_key[] = "test.per_tab.javascript_enabled";
+const char mapped_underlay_key[] = "test.per_profile.javascript_enabled";
} // namespace