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This CL adds missing #include for "base/macros.h", "base/logging.h", "base/callback.h", and
<vector>. They used to be included indirectly through "base/optional.h", but they should be
explicit.

Tbr: sky@chromium.org
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I17da47493055828db25326b7e6dcc07f828b78ef
Reviewed-on: https://chromium-review.googlesource.com/1214904Reviewed-by: Taiju Tsuiki <tzik@chromium.org>
Commit-Queue: Taiju Tsuiki <tzik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589872}