Convert //ash from scoped_ptr to std::unique_ptr

ash/wm/mru_window_tracker_unittest.cc

 // Copyright 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 "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_shelf_delegate.h"
 #include "ash/wm/mru_window_tracker.h"
 #include "ash/wm/window_state.h"
@@ skipping 18 matching lines @@
   ash::MruWindowTracker* mru_window_tracker() {
     return Shell::GetInstance()->mru_window_tracker();
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MruWindowTrackerTest);
 };
 
 // Basic test that the activation order is tracked.
 TEST_F(MruWindowTrackerTest, Basic) {
-  scoped_ptr<aura::Window> w1(CreateWindow());
-  scoped_ptr<aura::Window> w2(CreateWindow());
-  scoped_ptr<aura::Window> w3(CreateWindow());
+  std::unique_ptr<aura::Window> w1(CreateWindow());
+  std::unique_ptr<aura::Window> w2(CreateWindow());
+  std::unique_ptr<aura::Window> w3(CreateWindow());
   wm::ActivateWindow(w3.get());
   wm::ActivateWindow(w2.get());
   wm::ActivateWindow(w1.get());
 
   MruWindowTracker::WindowList window_list =
       mru_window_tracker()->BuildMruWindowList();
   EXPECT_EQ(w1.get(), window_list[0]);
   EXPECT_EQ(w2.get(), window_list[1]);
   EXPECT_EQ(w3.get(), window_list[2]);
 }
 
 // Test that minimized windows are considered least recently used (but kept in
 // correct relative order).
 TEST_F(MruWindowTrackerTest, MinimizedWindowsAreLru) {
-  scoped_ptr<aura::Window> w1(CreateWindow());
-  scoped_ptr<aura::Window> w2(CreateWindow());
-  scoped_ptr<aura::Window> w3(CreateWindow());
-  scoped_ptr<aura::Window> w4(CreateWindow());
-  scoped_ptr<aura::Window> w5(CreateWindow());
-  scoped_ptr<aura::Window> w6(CreateWindow());
+  std::unique_ptr<aura::Window> w1(CreateWindow());
+  std::unique_ptr<aura::Window> w2(CreateWindow());
+  std::unique_ptr<aura::Window> w3(CreateWindow());
+  std::unique_ptr<aura::Window> w4(CreateWindow());
+  std::unique_ptr<aura::Window> w5(CreateWindow());
+  std::unique_ptr<aura::Window> w6(CreateWindow());
   wm::ActivateWindow(w6.get());
   wm::ActivateWindow(w5.get());
   wm::ActivateWindow(w4.get());
   wm::ActivateWindow(w3.get());
   wm::ActivateWindow(w2.get());
   wm::ActivateWindow(w1.get());
 
   wm::GetWindowState(w1.get())->Minimize();
   wm::GetWindowState(w4.get())->Minimize();
   wm::GetWindowState(w5.get())->Minimize();
 
   // Expect the relative order of minimized windows to remain the same, but all
   // minimized windows to be at the end of the list.
   MruWindowTracker::WindowList window_list =
       mru_window_tracker()->BuildMruWindowList();
   EXPECT_EQ(w2.get(), window_list[0]);
   EXPECT_EQ(w3.get(), window_list[1]);
   EXPECT_EQ(w6.get(), window_list[2]);
   EXPECT_EQ(w1.get(), window_list[3]);
   EXPECT_EQ(w4.get(), window_list[4]);
   EXPECT_EQ(w5.get(), window_list[5]);
 }
 
 // Tests that windows being dragged are only in the WindowList once.
 TEST_F(MruWindowTrackerTest, DraggedWindowsInListOnlyOnce) {
-  scoped_ptr<aura::Window> w1(CreateWindow());
+  std::unique_ptr<aura::Window> w1(CreateWindow());
   wm::ActivateWindow(w1.get());
 
   // Start dragging the window.
   wm::GetWindowState(w1.get())->CreateDragDetails(
       w1.get(), gfx::Point(), HTRIGHT, aura::client::WINDOW_MOVE_SOURCE_TOUCH);
 
   // During a drag the window is reparented by the Docked container.
   aura::Window* drag_container = Shell::GetContainer(
       Shell::GetTargetRootWindow(), kShellWindowId_DockedContainer);
   drag_container->AddChild(w1.get());
   EXPECT_TRUE(wm::GetWindowState(w1.get())->is_dragged());
 
   // The dragged window should only be in the list once.
   MruWindowTracker::WindowList window_list =
       mru_window_tracker()->BuildWindowListIgnoreModal();
   EXPECT_EQ(1, std::count(window_list.begin(), window_list.end(), w1.get()));
 }
 
 }  // namespace ash