Replace base::MakeUnique with std::make_unique in base/.

Bug: 755727
Change-Id: Ia785171c1c9fd5396def9e381bbc1387e0eee0a1
Reviewed-on: https://chromium-review.googlesource.com/616842
Commit-Queue: Jeremy Roman <[email protected]>
Reviewed-by: Nico Weber <[email protected]>
Reviewed-by: Daniel Cheng <[email protected]>
Cr-Commit-Position: refs/heads/master@{#494995}
diff --git a/base/sequence_checker_impl.cc b/base/sequence_checker_impl.cc
index bea3e77..b3dd4fdc 100644
--- a/base/sequence_checker_impl.cc
+++ b/base/sequence_checker_impl.cc
@@ -51,13 +51,13 @@
   ThreadCheckerImpl thread_checker_;
 };
 
-SequenceCheckerImpl::SequenceCheckerImpl() : core_(MakeUnique<Core>()) {}
+SequenceCheckerImpl::SequenceCheckerImpl() : core_(std::make_unique<Core>()) {}
 SequenceCheckerImpl::~SequenceCheckerImpl() = default;
 
 bool SequenceCheckerImpl::CalledOnValidSequence() const {
   AutoLock auto_lock(lock_);
   if (!core_)
-    core_ = MakeUnique<Core>();
+    core_ = std::make_unique<Core>();
   return core_->CalledOnValidSequence();
 }