Replace scoped_ptr with std::unique_ptr in //ui

ui/display/chromeos/display_configurator.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 "ui/display/chromeos/display_configurator.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 488 matching lines @@
     query_protection_callbacks_.pop();
   }
 
   while (!enable_protection_callbacks_.empty()) {
     enable_protection_callbacks_.front().Run(false);
     enable_protection_callbacks_.pop();
   }
 }
 
 void DisplayConfigurator::SetDelegateForTesting(
-    scoped_ptr<NativeDisplayDelegate> display_delegate) {
+    std::unique_ptr<NativeDisplayDelegate> display_delegate) {
   DCHECK(!native_display_delegate_);
 
   native_display_delegate_ = std::move(display_delegate);
   configure_display_ = true;
 }
 
 void DisplayConfigurator::SetInitialDisplayPower(
     chromeos::DisplayPowerState power_state) {
   DCHECK_EQ(current_display_state_, MULTIPLE_DISPLAY_STATE_INVALID);
   requested_power_state_ = current_power_state_ = power_state;
@@ skipping 631 matching lines @@
   last_virtual_display_id_ = max_display_id & 0xff;
 
   return true;
 }
 
 bool DisplayConfigurator::IsDisplayOn() const {
   return current_power_state_ != chromeos::DISPLAY_POWER_ALL_OFF;
 }
 
 }  // namespace ui