Bug 1536453 - Use legacy keyCode and charCode for powerpoint.officeapps.live.com. r=masayuki

Differential Revision: https://phabricator.services.mozilla.com/D24294

--HG--
extra : moz-landing-system : lando

modules/libpref/init/all.js

@@ -227,7 +227,7 @@ pref("dom.keyboardevent.keypress.hack.dispatch_non_printable_keys", "");
 // non-zero keyCode or charCode value to the other).  The format is exactly
 // same as "dom.keyboardevent.keypress.hack.dispatch_non_printable_keys". So,
 // check its explanation for the detail.
-pref("dom.keyboardevent.keypress.hack.use_legacy_keycode_and_charcode", "");
+pref("dom.keyboardevent.keypress.hack.use_legacy_keycode_and_charcode", "powerpoint.officeapps.live.com");
 
 // Whether InputEvent.data is enabled.
 pref("dom.inputevent.data.enabled", true);