convert //mash to std::unique_ptr

mash/wm/layout_manager_unittest.cc

 // Copyright 2015 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 "mash/wm/layout_manager.h"
 
+#include <memory>
+
 #include "base/macros.h"
 #include "components/mus/public/cpp/tests/test_window.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mash {
 namespace wm {
 
 class TestLayoutManager : public LayoutManager {
  public:
   explicit TestLayoutManager(mus::Window* window)
@@ skipping 12 matching lines @@
     layout_called_ = true;
   }
 
   bool layout_called_;
 
   DISALLOW_COPY_AND_ASSIGN(TestLayoutManager);
 };
 
 // Tests that owning window can be destroyed before the layout manager.
 TEST(LayoutManagerTest, OwningWindowDestroyedFirst) {
-  scoped_ptr<mus::TestWindow> parent(new mus::TestWindow(1));
+  std::unique_ptr<mus::TestWindow> parent(new mus::TestWindow(1));
   mus::TestWindow child(2);
   TestLayoutManager layout_manager(parent.get());
   parent->AddChild(&child);
   EXPECT_TRUE(layout_manager.GetAndResetLayoutCalled());
   parent.reset();
   child.SetBounds(gfx::Rect(100, 200));
 }
 
 // Tests that the layout manager can be destroyed before the owning window.
 TEST(LayoutManagerTest, LayoutManagerDestroyedFirst) {
   mus::TestWindow parent(1);
   mus::TestWindow child(2);
-  scoped_ptr<TestLayoutManager> layout_manager(new TestLayoutManager(&parent));
+  std::unique_ptr<TestLayoutManager> layout_manager(
+      new TestLayoutManager(&parent));
   parent.AddChild(&child);
   EXPECT_TRUE(layout_manager->GetAndResetLayoutCalled());
 
   parent.SetBounds(gfx::Rect(100, 200));
   EXPECT_TRUE(layout_manager->GetAndResetLayoutCalled());
 
   layout_manager.reset();
   parent.SetBounds(gfx::Rect(200, 100));
 }
 
 }  // namespace wm
 }  // namespace mash