Replace base::MakeUnique with std::make_unique in components/ - 2

If file doesn't use base::WrapUnique, base/memory/ptr_util.h includes
are changed to <memory>.

Bug: 755727
Change-Id: I6fc3a696a2222e140d6d366b2bc9b285fdef2dbc
Reviewed-on: https://chromium-review.googlesource.com/878083
Reviewed-by: Colin Blundell <blundell@chromium.org>
Commit-Queue: Gyuyoung Kim <gyuyoung.kim@lge.com>
Cr-Original-Commit-Position: refs/heads/master@{#531218}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 8b084c0832974592b5fdb639b1d2558b4f5549ac
diff --git a/alarm_timer_chromeos.cc b/alarm_timer_chromeos.cc
index da011e3..1718038 100644
--- a/alarm_timer_chromeos.cc
+++ b/alarm_timer_chromeos.cc
@@ -8,13 +8,13 @@
 #include <sys/timerfd.h>
 
 #include <algorithm>
+#include <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/debug/task_annotator.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
-#include "base/memory/ptr_util.h"
 #include "base/pending_task.h"
 #include "base/trace_event/trace_event.h"
 
@@ -72,7 +72,7 @@
   // Set up the pending task.
   base::Timer::set_desired_run_time(
       delay.is_zero() ? base::TimeTicks() : base::TimeTicks::Now() + delay);
-  pending_task_ = base::MakeUnique<base::PendingTask>(
+  pending_task_ = std::make_unique<base::PendingTask>(
       base::Timer::posted_from(), base::Timer::user_task(),
       base::Timer::desired_run_time());
 
diff --git a/alarm_timer_unittest.cc b/alarm_timer_unittest.cc
index 78494ad..ecbeb21 100644
--- a/alarm_timer_unittest.cc
+++ b/alarm_timer_unittest.cc
@@ -11,7 +11,6 @@
 #include "base/files/file_descriptor_watcher_posix.h"
 #include "base/location.h"
 #include "base/macros.h"
-#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ -253,9 +252,9 @@
   // if debug heap checking is enabled.
   bool did_run = false;
   {
-    auto loop = base::MakeUnique<base::MessageLoopForIO>();
+    auto loop = std::make_unique<base::MessageLoopForIO>();
     auto file_descriptor_watcher =
-        base::MakeUnique<base::FileDescriptorWatcher>(loop.get());
+        std::make_unique<base::FileDescriptorWatcher>(loop.get());
     OneShotAlarmTimerTester a(&did_run, kTenMilliseconds);
     OneShotAlarmTimerTester b(&did_run, kTenMilliseconds);
     OneShotAlarmTimerTester c(&did_run, kTenMilliseconds);