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/files/file_descriptor_watcher_posix.cc b/base/files/file_descriptor_watcher_posix.cc
index 0579da9..104c719 100644
--- a/base/files/file_descriptor_watcher_posix.cc
+++ b/base/files/file_descriptor_watcher_posix.cc
@@ -164,7 +164,7 @@
       weak_factory_(this) {
   DCHECK(!callback_.is_null());
   DCHECK(message_loop_for_io_task_runner_);
-  watcher_ = MakeUnique<Watcher>(weak_factory_.GetWeakPtr(), mode, fd);
+  watcher_ = std::make_unique<Watcher>(weak_factory_.GetWeakPtr(), mode, fd);
   StartWatching();
 }