
Define preventDefault() on goog.testing.events.Event.

R=chrishenry,nicksantos
DELTA=20  (20 added, 0 deleted, 0 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=4512


git-svn-id: 35241bd708fe29f1f6c7a4322d322e99ff93b95e@1731 0b95b8e8-c90f-11de-9d4f-f947ee5921c8

jarib/google-closure-library,rethinkdb/google-closure-library,rethinkdb/google-closure-library,rethinkdb/google-closure-library,Kuniwak/google-closure-library-jsdoc,Kuniwak/google-closure-library-jsdoc,jarib/google-closure-library