Convert //ash from scoped_ptr to std::unique_ptr

ash/system/ime/tray_ime_chromeos_unittest.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 "ash/system/ime/tray_ime_chromeos.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/shell.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/tray/system_tray_notifier.h"
@@ skipping 33 matching lines @@
 
   // Returns the view in the detailed views scroll content at the provided
   // index.
   views::View* GetScrollChildView(int index);
 
   // test::AshTestBase:
   void SetUp() override;
   void TearDown() override;
 
  private:
-  scoped_ptr<TrayIME> tray_;
-  scoped_ptr<views::View> default_view_;
-  scoped_ptr<views::View> detailed_view_;
+  std::unique_ptr<TrayIME> tray_;
+  std::unique_ptr<views::View> default_view_;
+  std::unique_ptr<views::View> detailed_view_;
 };
 
 void TrayIMETest::SetUpForStatusAreaWidget(
     StatusAreaWidget* status_area_widget) {
   tray_.reset(new TrayIME(status_area_widget->system_tray()));
   default_view_.reset(tray_->CreateDefaultView(
       StatusAreaWidgetTestHelper::GetUserLoginStatus()));
   detailed_view_.reset(tray_->CreateDetailedView(
       StatusAreaWidgetTestHelper::GetUserLoginStatus()));
 }
@@ skipping 85 matching lines @@
   toggle = GetScrollChildView(0);
   // Clicking again should disable the keyboard.
   tap = ui::GestureEvent(0, 0, 0, base::TimeDelta(),
                          ui::GestureEventDetails(ui::ET_GESTURE_TAP));
   toggle->OnGestureEvent(&tap);
   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
   EXPECT_TRUE(default_view()->visible());
 }
 
 }  // namespace ash