Makes ImageGrid work again
Makes ImageGrid work again

It was possible we were passing an empty size to the PaintRecorder.

BUG=none
TEST=none
R=weiliangc@chromium.org

Review URL: https://codereview.chromium.org/1845283005

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#384945}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk