Paint offset caching/change-detection for InlineBoxes

This ensures correct paint invalidation of InlineBoxes when the
container moves without layout. This will be useful when we disable
location-change detection during paint invalidation for slimming paint
v2.

BUG=508383

Review URL: https://codereview.chromium.org/1340133003

git-svn-id: svn://svn.chromium.org/blink/trunk@202242 bbb929c8-8fbe-4397-9dbb-9b2b20218538
3 files changed
tree: 7ead7a7546c5d05dd39b3e1e9e6b3551dff841bf
  1. third_party/