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

base/message_loop/message_pump_perftest.cc

Index: base/message_loop/message_pump_perftest.cc
diff --git a/base/message_loop/message_pump_perftest.cc b/base/message_loop/message_pump_perftest.cc
index 387927d38b359614dcc2777c3174028b36da934a..3baa6147fe10d863a14a1718b2555520181d6c10 100644
--- a/base/message_loop/message_pump_perftest.cc
+++ b/base/message_loop/message_pump_perftest.cc
@@ -95,8 +95,7 @@ class ScheduleWorkTest : public testing::Test {
     max_batch_times_.reset(new base::TimeDelta[num_scheduling_threads]);
 
     for (int i = 0; i < num_scheduling_threads; ++i) {
-      scheduling_threads.push_back(
-          WrapUnique(new Thread("posting thread")));
+      scheduling_threads.push_back(MakeUnique<Thread>("posting thread"));
       scheduling_threads[i]->Start();
     }