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

ui/events/test/test_event_target.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/test/test_event_target.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "ui/events/event.h"
@@ skipping 53 matching lines @@
 
 bool TestEventTarget::CanAcceptEvent(const ui::Event& event) {
   return true;
 }
 
 EventTarget* TestEventTarget::GetParentTarget() {
   return parent_;
 }
 
 std::unique_ptr<EventTargetIterator> TestEventTarget::GetChildIterator() const {
-  return base::WrapUnique(
-      new EventTargetIteratorImpl<TestEventTarget>(children_.get()));
+  return base::MakeUnique<EventTargetIteratorImpl<TestEventTarget>>(
+      children_.get());
 }
 
 EventTargeter* TestEventTarget::GetEventTargeter() {
   return targeter_.get();
 }
 
 void TestEventTarget::OnEvent(Event* event) {
   if (recorder_)
     recorder_->push_back(target_name_);
   received_.insert(event->type());
   EventHandler::OnEvent(event);
   if (!event->handled() && mark_events_as_handled_)
     event->SetHandled();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // TestEventTarget, private
 
 bool TestEventTarget::Contains(TestEventTarget* target) const {
   while (target && target != this)
     target = target->parent();
   return target == this;
 }
 
 }  // namespace test
 }  // namespace ui