Convert //cc from scoped_ptr to std::unique_ptr.

cc/layers/surface_layer.cc

 // Copyright 2014 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/layers/surface_layer.h"
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 52 matching lines @@
   SatisfyDestroySequence();
   surface_id_ = surface_id;
   surface_size_ = size;
   surface_scale_ = scale;
   CreateNewDestroySequence();
 
   UpdateDrawsContent(HasDrawableContent());
   SetNeedsPushProperties();
 }
 
-scoped_ptr<LayerImpl> SurfaceLayer::CreateLayerImpl(LayerTreeImpl* tree_impl) {
+std::unique_ptr<LayerImpl> SurfaceLayer::CreateLayerImpl(
+    LayerTreeImpl* tree_impl) {
   return SurfaceLayerImpl::Create(tree_impl, id());
 }
 
 bool SurfaceLayer::HasDrawableContent() const {
   return !surface_id_.is_null() && Layer::HasDrawableContent();
 }
 
 void SurfaceLayer::SetLayerTreeHost(LayerTreeHost* host) {
   if (layer_tree_host() == host) {
     Layer::SetLayerTreeHost(host);
@@ skipping 20 matching lines @@
   if (layer_tree_host()) {
     destroy_sequence_ = layer_tree_host()->CreateSurfaceSequence();
     require_callback_.Run(surface_id_, destroy_sequence_);
   }
 }
 
 void SurfaceLayer::SatisfyDestroySequence() {
   if (!layer_tree_host())
     return;
   DCHECK(!destroy_sequence_.is_null());
-  scoped_ptr<SatisfySwapPromise> satisfy(
+  std::unique_ptr<SatisfySwapPromise> satisfy(
       new SatisfySwapPromise(destroy_sequence_, satisfy_callback_));
   layer_tree_host()->QueueSwapPromise(std::move(satisfy));
   destroy_sequence_ = SurfaceSequence();
 }
 
 }  // namespace cc