Replace scoped_ptr with std::unique_ptr in //ui

ui/views/widget/desktop_aura/desktop_screen_x11_unittest.cc

 // Copyright (c) 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/views/widget/desktop_aura/desktop_screen_x11.h"
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/gfx/display_observer.h"
 #include "ui/gfx/font_render_params.h"
 #include "ui/gfx/x/x11_types.h"
@@ skipping 101 matching lines @@
 
   void OnDisplayRemoved(const gfx::Display& old_display) override {
     removed_display_.push_back(old_display);
   }
 
   void OnDisplayMetricsChanged(const gfx::Display& display,
                                uint32_t metrics) override {
     changed_display_.push_back(display);
   }
 
-  scoped_ptr<DesktopScreenX11> screen_;
+  std::unique_ptr<DesktopScreenX11> screen_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopScreenX11Test);
 };
 
 TEST_F(DesktopScreenX11Test, BoundsChangeSingleMonitor) {
   std::vector<gfx::Display> displays;
   displays.push_back(gfx::Display(kFirstDisplay, gfx::Rect(0, 0, 1024, 768)));
   NotifyDisplaysChanged(displays);
 
   EXPECT_EQ(1u, changed_display_.size());
@@ skipping 313 matching lines @@
   EXPECT_EQ(2u, changed_display_.size());
 
   displays[0].set_device_scale_factor(1.f);
   displays[1].set_device_scale_factor(1.f);
   NotifyDisplaysChanged(displays);
   EXPECT_EQ(4u, changed_display_.size());
   EXPECT_EQ(1.f, gfx::GetFontRenderParamsDeviceScaleFactor());
 }
 
 }  // namespace views