Paint invalidation: Need to check offset cacheability for invalidation containers.

A check for supportsPaintInvalidationStateCachedOffsets() was missing for
renderers establishing a paint invalidation container, which incorrectly
made us assume that offsets were always cacheable for paint invalidation
containers.

BUG=438901
R=chrishtr@chromium.org

Review URL: https://codereview.chromium.org/772913003

git-svn-id: svn://svn.chromium.org/blink/trunk@186938 bbb929c8-8fbe-4397-9dbb-9b2b20218538
5 files changed
tree: f12c8406764e04e2f2dcbcbb9c911f7e41bce630
  1. third_party/