Fix integer overflow in hit_test_query_fuzzer.

HitTestQuery sometimes uses the negation of the position in rect,
making fuzzer min to be (min + 1) to avoid integer overflow after
negation.

Bug: 910592
Test: hit_test_query_fuzzer
Change-Id: I78d1d15467d13d8cb65278dff85408fd22e73c3c
Reviewed-on: https://chromium-review.googlesource.com/c/1372920
Reviewed-by: Abhishek Arya <inferno@chromium.org>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Commit-Queue: Ria Jiang <riajiang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615907}
1 file changed