Rebaseline layout tests after Skia DEPS roll

https://skia-review.googlesource.com/c/6109/ (Add a deferred copy surface) rolled into Chrome at r438850 in https://codereview.chromium.org/2583513002 (Roll src/third_party/skia/ ebccb8268..625cd9e0c) so these layout tests can be rebaselined

BUG=674509

Review-Url: https://codereview.chromium.org/2585523002
Cr-Commit-Position: refs/heads/master@{#438933}