GitLab

To prevent from sharing SecurityOrigin across threads, CrossThreadCopier
should take isolatedCopy() of SecurityOrigin in ResourceLoaderOptions.

BUG=415865

Review URL: https://codereview.chromium.org/583903003

git-svn-id: svn://svn.chromium.org/blink/trunk@183967 bbb929c8-8fbe-4397-9dbb-9b2b20218538