tree d1e8a93cb2866649788bdb340afc9cbf1b97b889
parent aaa0e3e4c804d00cf20211f755003dc9938776b3
author Sameer Agarwal <sameeragarwal@google.com> 1449961335 -0800
committer Keir Mierle <mierle@gmail.com> 1450383702 +0000

Use std::adjacent_find instead of std::unique

When detecting duplicates, it is more efficient to use std::adjacent_find
than it is to use std::unique.

Change-Id: Ib6b4671c10848bb7dd10aa7a1baeffc8c9c825b5