Re-write many calls to WrapUnique() with MakeUnique()

cc/test/fake_painted_scrollbar_layer.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 "cc/test/fake_painted_scrollbar_layer.h"
 
 #include "base/auto_reset.h"
 #include "base/memory/ptr_util.h"
 #include "cc/test/fake_scrollbar.h"
 
@@ skipping 29 matching lines @@
   return updated;
 }
 
 void FakePaintedScrollbarLayer::PushPropertiesTo(LayerImpl* layer) {
   PaintedScrollbarLayer::PushPropertiesTo(layer);
   ++push_properties_count_;
 }
 
 std::unique_ptr<base::AutoReset<bool>>
 FakePaintedScrollbarLayer::IgnoreSetNeedsCommit() {
-  return base::WrapUnique(
-      new base::AutoReset<bool>(&ignore_set_needs_commit_, true));
+  return base::MakeUnique<base::AutoReset<bool>>(&ignore_set_needs_commit_,
+                                                 true);
 }
 
 }  // namespace cc