Replace scoped_ptr with std::unique_ptr in //ui

ui/wm/core/image_grid.cc

 // 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/wm/core/image_grid.h"
 
 #include <algorithm>
 
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkXfermode.h"
@@ skipping 273 matching lines @@
 void ImageGrid::ImagePainter::OnDeviceScaleFactorChanged(
     float device_scale_factor) {
   // Redrawing will take care of scale factor change.
 }
 
 base::Closure ImageGrid::ImagePainter::PrepareForLayerBoundsChange() {
   return base::Closure();
 }
 
 void ImageGrid::SetImage(const gfx::Image* image,
-                         scoped_ptr<ui::Layer>* layer_ptr,
-                         scoped_ptr<ImagePainter>* painter_ptr,
+                         std::unique_ptr<ui::Layer>* layer_ptr,
+                         std::unique_ptr<ImagePainter>* painter_ptr,
                          ImageType type) {
   // Minimum width (for HORIZONTAL) or height (for VERTICAL) of the
   // |image| so that layers are scaled property if the device scale
   // factor is non integral.
   const int kMinimumSize = 20;
 
   // Clean out old layers and painters.
   layer_ptr->reset();
   painter_ptr->reset();
 
@@ skipping 30 matching lines @@
   layer_ptr->get()->SetBounds(gfx::Rect(0, 0, size.width(), size.height()));
 
   painter_ptr->reset(new ImagePainter(image_skia));
   layer_ptr->get()->set_delegate(painter_ptr->get());
   layer_ptr->get()->SetFillsBoundsOpaquely(false);
   layer_ptr->get()->SetVisible(true);
   layer_->Add(layer_ptr->get());
 }
 
 }  // namespace wm