Add base/check.h or base/check_op.h based on CHECK* macros.

BUG=chromium:1144735
TEST=CQ

Exempt-From-Owner-Approval: Mechanical change involving a lot of owners.
Change-Id: Ia3b037d3d560984dbe94b8137f3782b36196ad7e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/2741767
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Commit-Queue: Qijiang Fan <fqj@google.com>
Tested-by: Qijiang Fan <fqj@google.com>
diff --git a/patchpanel/dns/io_buffer.cc b/patchpanel/dns/io_buffer.cc
index 9a0e56c..1772863 100644
--- a/patchpanel/dns/io_buffer.cc
+++ b/patchpanel/dns/io_buffer.cc
@@ -7,6 +7,8 @@
 #include "base/logging.h"
 #include "base/numerics/safe_math.h"
 
+#include <base/check_op.h>
+
 namespace patchpanel {
 
 namespace {