WebRefiner UX changes

- Reworded the message shown in site specific
  settings.

Change-Id: I39cce5e6386f38018d6cbfc0b785cf295f1dcb55
diff --git a/src/com/android/browser/PreferenceKeys.java b/src/com/android/browser/PreferenceKeys.java
index 7c7c286..d4280a6 100644
--- a/src/com/android/browser/PreferenceKeys.java
+++ b/src/com/android/browser/PreferenceKeys.java
@@ -99,6 +99,7 @@
     static final String PREF_SAVE_FORMDATA = "save_formdata";
     static final String PREF_SHOW_SECURITY_WARNINGS = "show_security_warnings";
     static final String PREF_DO_NOT_TRACK = "do_not_track";
+    static final String PREF_WEB_REFINER = "web_refiner";
 
     // ----------------------
     // Keys for bandwidth_preferences.xml