views/mus: Change 'reset(new' to base::MakeUnqiue.

ui/views/mus/pointer_watcher_event_router_unittest.cc

 // Copyright 2016 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/views/mus/pointer_watcher_event_router.h"
 
 #include <memory>
 
 #include "base/message_loop/message_loop.h"
 #include "services/ui/public/cpp/tests/window_tree_client_private.h"
@@ skipping 12 matching lines @@
   ~TestPointerWatcher() override {}
 
   ui::PointerEvent* last_event_observed() { return last_event_observed_.get(); }
 
   void Reset() { last_event_observed_.reset(); }
 
   // PointerWatcher:
   void OnPointerEventObserved(const ui::PointerEvent& event,
                               const gfx::Point& location_in_screen,
                               Widget* target) override {
-    last_event_observed_.reset(new ui::PointerEvent(event));
+    last_event_observed_ = base::MakeUnique<ui::PointerEvent>(event);
   }
 
  private:
   std::unique_ptr<ui::PointerEvent> last_event_observed_;
 
   DISALLOW_COPY_AND_ASSIGN(TestPointerWatcher);
 };
 
 }  // namespace
 
@@ skipping 191 matching lines @@
   watcher2.Reset();
 
   // Removing the last PointerWatcher stops sending events to it.
   pointer_watcher_event_router->RemovePointerWatcher(&watcher2);
   OnPointerEventObserved(pointer_event_move);
   EXPECT_FALSE(watcher1.last_event_observed());
   EXPECT_FALSE(watcher2.last_event_observed());
 }
 
 }  // namespace views