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

ash/sysui/sysui_application.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 "ash/sysui/sysui_application.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 220 matching lines @@
     // TODO(mfomitchev): We need to fix this. http://crbug.com/607300
     display::Screen::SetScreenInstance(nullptr);
 
     // Install some hook so that the WindowTreeHostMus created for widgets can
     // be hooked up correctly.
     native_widget_factory_.reset(new NativeWidgetFactory());
 
     AshWindowTreeHost::SetFactory(base::Bind(&CreateWindowTreeHostMus));
 
     std::unique_ptr<AppListPresenterMus> app_list_presenter =
-        base::WrapUnique(new AppListPresenterMus(connector));
+        base::MakeUnique<AppListPresenterMus>(connector);
     ash_delegate_ = new ShellDelegateMus(std::move(app_list_presenter));
 
     InitializeComponents();
 
     ShellInitParams init_params;
     init_params.delegate = ash_delegate_;
     init_params.context_factory = new StubContextFactory;
     init_params.blocking_pool = worker_pool_.get();
     init_params.in_mus = true;
     init_params.keyboard_factory =
@@ skipping 90 matching lines @@
                               mojom::WallpaperControllerRequest request) {
   mojom::WallpaperController* wallpaper_controller =
       static_cast<UserWallpaperDelegateMus*>(
           Shell::GetInstance()->user_wallpaper_delegate());
   wallpaper_controller_bindings_.AddBinding(wallpaper_controller,
                                             std::move(request));
 }
 
 }  // namespace sysui
 }  // namespace ash