Add settings for keyboard auto-repeat to options page.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 7578e37f1f4b4958bb83aaae11c922d3b4035fce..1eb045be04d042f37ee1c18778e77d1578bee049 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -566,8 +566,10 @@ const char kLanguageXkbAutoRepeatDelay[] =
 // A integer pref which determines key repeat interval (in ms).
 const char kLanguageXkbAutoRepeatInterval[] =
     "settings.language.xkb_auto_repeat_interval_r2";
-// "_r2" suffixes are added to the three prefs above when we change the
-// preferences not user-configurable, not to sync them with cloud.
+// "_r2" suffixes were added to the three prefs above when we changed the
+// preferences to not be user-configurable or sync with cloud. The prefs are

[Dan Beam, 2014/07/16 16:59:46]

sync with the cloud?

[michaelpg, 2014/07/18 21:33:06]

Done.

+// now user-configurable and syncable again, but we don't want to overwrite the
+// current values with the old synced values, so we continue to use this suffix.

[michaelpg, 2014/07/16 01:51:24]

Would it be better to change the preference names again? :-\

[Dan Beam, 2014/07/16 16:59:46]

not sure.  if we're not losing any loser data by keeping the same name, i guess
it's worth considering.

[stevenjb, 2014/07/16 17:41:46]

I would use the current _r2 names so that users do not have any existing
settings changed unexpectedly.

[michaelpg, 2014/07/18 21:33:06]

Acknowledged.
;-)

 
 // A boolean pref which determines whether the large cursor feature is enabled.
 const char kAccessibilityLargeCursorEnabled[] =