[LayoutTests] Enable OOPIF pixel dumps behind a flag.

This patch enables OOPIF pixel dumps behind a flag. The reason for the
flag is that this isn't working for 100% of cases yet. Specifically,
selection rects and dialogs windows aren't being captured correctly.

As well, there seem to be some pixel differences between existings tests
which will likely need to be rebaselined.

R=lukasza@chromium.org

Bug: 667551
Change-Id: Icfb98958e5b9d007b1bd3a554b32d55d545e04e6
Reviewed-on: https://chromium-review.googlesource.com/994240
Commit-Queue: vmpstr <vmpstr@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Antoine Labour <piman@chromium.org>
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Reviewed-by: Ɓukasz Anforowicz <lukasza@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551487}

CrOS-Libchrome-Original-Commit: d29618cbc8e36bfbb85992f31089c10e4c52c7fb
1 file changed
tree: 6d8c13c9fad3581dffce562ae562a25762d3894b
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/