Remove ScopedPersistent::deprecatedGet usage from ExceptionState.
Remove ScopedPersistent::deprecatedGet usage from ExceptionState.

ScopedPersistent::deprecatedGet will be removed soon.

BUG=236290

Review URL: https://chromiumcodereview.appspot.com/19373002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@154479 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs