Replace scoped_ptr with std::unique_ptr in //ui

ui/views_content_client/views_content_client_main_parts_chromeos.cc

 // Copyright 2014 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 "base/macros.h"
 #include "content/public/browser/context_factory.h"
 #include "content/shell/browser/shell_browser_context.h"
 #include "ui/aura/test/test_screen.h"
 #include "ui/aura/window.h"
 #include "ui/gfx/screen.h"
@@ skipping 12 matching lines @@
       const content::MainFunctionParams& content_params,
       ViewsContentClient* views_content_client);
   ~ViewsContentClientMainPartsChromeOS() override {}
 
   // content::BrowserMainParts:
   void PreMainMessageLoopRun() override;
   void PostMainMessageLoopRun() override;
 
  private:
   // Enable a minimal set of views::corewm to be initialized.
-  scoped_ptr<gfx::Screen> test_screen_;
-  scoped_ptr< ::wm::WMTestHelper> wm_test_helper_;
+  std::unique_ptr<gfx::Screen> test_screen_;
+  std::unique_ptr<::wm::WMTestHelper> wm_test_helper_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewsContentClientMainPartsChromeOS);
 };
 
 ViewsContentClientMainPartsChromeOS::ViewsContentClientMainPartsChromeOS(
     const content::MainFunctionParams& content_params,
     ViewsContentClient* views_content_client)
     : ViewsContentClientMainPartsAura(content_params, views_content_client) {
 }
 
@@ skipping 25 matching lines @@
 
 // static
 ViewsContentClientMainParts* ViewsContentClientMainParts::Create(
     const content::MainFunctionParams& content_params,
     ViewsContentClient* views_content_client) {
   return new ViewsContentClientMainPartsChromeOS(
       content_params, views_content_client);
 }
 
 }  // namespace ui