Add [TypeChecking=Interface] to Internals and PrivateScriptTest

BUG=462561

Review URL: https://codereview.chromium.org/966723002

git-svn-id: svn://svn.chromium.org/blink/trunk@191041 bbb929c8-8fbe-4397-9dbb-9b2b20218538
4 files changed
tree: 6f2c8c7248d5ad61edbf47a90f399a0af234f3e0
  1. third_party/