Remove unused resource_coordinator includes from about_ui.cc.

Should have been done as part of
https://chromium-review.googlesource.com/761996

Bug: 775644
Change-Id: I212c707e337c2f39cb50741afaf69b2bece13a37
Reviewed-on: https://chromium-review.googlesource.com/854952
Commit-Queue: François Doray <fdoray@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#528119}
1 file changed