Release ppp_class_data in mocked V8ObjectVar.

The CreateObject implementation should release the ppp_class_data when
it goes out of scope.

Bug: 258113
Change-Id: I563c6b5234f5ac94fed4fd43ce69c448e54866de
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1539692
Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: David Benjamin <davidben@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#644512}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 1ad71d5814950c7107f7a2c9adf43dcdc363cafc
1 file changed