Added a switch to enable a unified text checker and asynchronous

webkit/glue/webpreferences.cc

Index: webkit/glue/webpreferences.cc
diff --git a/webkit/glue/webpreferences.cc b/webkit/glue/webpreferences.cc
index 6c435bbbf2a7f3517bd8f875fb4f8fa9de161be5..7cf84c22aa61f8dfe25c8aff6ee817c80610f578 100644
--- a/webkit/glue/webpreferences.cc
+++ b/webkit/glue/webpreferences.cc
@@ -75,6 +75,7 @@ WebPreferences::WebPreferences()
       show_composited_layer_tree(false),
       show_fps_counter(false),
       asynchronous_spell_checking_enabled(true),
+      unified_textchecker_enabled(false),
       accelerated_compositing_enabled(false),
       threaded_compositing_enabled(false),
       force_compositing_mode(false),
@@ -302,6 +303,7 @@ void WebPreferences::Apply(WebView* web_view) const {
 
   settings->setAsynchronousSpellCheckingEnabled(
       asynchronous_spell_checking_enabled);
+  settings->setUnifiedTextCheckerEnabled(unified_textchecker_enabled);
 
   for (WebInspectorPreferences::const_iterator it = inspector_settings.begin();
        it != inspector_settings.end(); ++it)