Replace scoped_ptr with std::unique_ptr in //ui

ui/compositor/test/test_compositor_host_mac.mm

 // Copyright (c) 2012 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/compositor/test/test_compositor_host.h"
 
 #import <AppKit/NSApplication.h>
 #import <AppKit/NSOpenGL.h>
 #import <AppKit/NSView.h>
 #import <AppKit/NSWindow.h>
 #import <Foundation/NSAutoreleasePool.h>
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/thread_task_runner_handle.h"
 #include "ui/compositor/compositor.h"
 #include "ui/gfx/geometry/rect.h"
 
 // AcceleratedTestView provides an NSView class that delegates drawing to a
 // ui::Compositor delegate, setting up the NSOpenGLContext as required.
 @interface AcceleratedTestView : NSView {
   ui::Compositor* compositor_;
 }
 // Designated initializer.
@@ skipping 123 matching lines @@
 }
 
 // static
 TestCompositorHost* TestCompositorHost::Create(
     const gfx::Rect& bounds,
     ui::ContextFactory* context_factory) {
   return new TestCompositorHostMac(bounds, context_factory);
 }
 
 }  // namespace ui