Re-write many calls to WrapUnique() with MakeUnique()

base/test/test_mock_time_task_runner.cc

Index: base/test/test_mock_time_task_runner.cc
diff --git a/base/test/test_mock_time_task_runner.cc b/base/test/test_mock_time_task_runner.cc
index 7dca3a931d7f60252924dbcc5f1a416976278bad..6dfecaf838ba8ee5e5b36f8d067e021e4d51f4c5 100644
--- a/base/test/test_mock_time_task_runner.cc
+++ b/base/test/test_mock_time_task_runner.cc
@@ -165,12 +165,12 @@ TimeTicks TestMockTimeTaskRunner::NowTicks() const {
 
 std::unique_ptr<Clock> TestMockTimeTaskRunner::GetMockClock() const {
   DCHECK(thread_checker_.CalledOnValidThread());
-  return WrapUnique(new MockClock(this));
+  return MakeUnique<MockClock>(this);
 }
 
 std::unique_ptr<TickClock> TestMockTimeTaskRunner::GetMockTickClock() const {
   DCHECK(thread_checker_.CalledOnValidThread());
-  return WrapUnique(new MockTickClock(this));
+  return MakeUnique<MockTickClock>(this);
 }
 
 bool TestMockTimeTaskRunner::HasPendingTask() const {