tree 15cdacbd0e037e3c98f57ceecac9a3b52ae66841
parent a0475093622526658bef907b2c968a9b7221e3f5
author Brian Slesinsky <skybrian@google.com> 1468952393 -0700
committer Brian Slesinsky <skybrian@google.com> 1468952393 -0700

Add dart options for override annotations.

These make it possible to tag generated getters, setters, clearX()
and hasX() methods with "@override".

R=skybrian@google.com

Review URL: https://chromiumcodereview.appspot.com//2150323002 .