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- The input was assumed sorted, and the implementation was
based on that assumption. Now it is not guaranteed, and this CL
is about to fix it.

Bug: 998701
Change-Id: I1162dd225e66d5724b65fc9423334e05989c50b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1774826
Commit-Queue: Hesen Zhang <hesen@chromium.org>
Reviewed-by: Xing Liu <xingliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#692290}