Replace scoped_ptr with std::unique_ptr in //ui

ui/base/resource/resource_bundle_mac_unittest.mm

 // 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 "ui/base/resource/resource_bundle.h"
 
 #import <AppKit/AppKit.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 127 matching lines @@
         num_material_packs++;
     }
 
     return num_material_packs;
   }
 
 protected:
   ResourceBundle* resource_bundle_;
 
  private:
-  scoped_ptr<DataPack> locale_pack_;
+  std::unique_ptr<DataPack> locale_pack_;
   base::ScopedTempDir dir_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceBundleMacImageTest);
 };
 
 // Verifies that ResourceBundle searches the Material Design data pack before
 // the default data pack, and that the returned image contains only the
 // representation from the Material Design pack.
 TEST_F(ResourceBundleMacImageTest, CheckImageFromMaterialDesign) {
   // Create two .pak files, each containing a single image with the
@@ skipping 37 matching lines @@
   // Design pack, any images it contains should override the ones in the default
   // pack, so if both packs contain the same image, the returned NSImage should
   // contain just a single representation.
   NSImage* icon = resource_bundle->GetNativeImageNamed(3).ToNSImage();
   const unsigned long representations_count = [[icon representations] count];
   const unsigned long expected_count = 1;
   EXPECT_EQ(expected_count, representations_count);
 }
 
 }  // namespace ui