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

cc/layers/viewport.cc

 // 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 "cc/layers/viewport.h"
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "cc/input/top_controls_manager.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "ui/gfx/geometry/vector2d_conversions.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
 namespace cc {
 
 // static
-scoped_ptr<Viewport> Viewport::Create(
-    LayerTreeHostImpl* host_impl) {
-  return make_scoped_ptr(new Viewport(host_impl));
+std::unique_ptr<Viewport> Viewport::Create(LayerTreeHostImpl* host_impl) {
+  return base::WrapUnique(new Viewport(host_impl));
 }
 
 Viewport::Viewport(LayerTreeHostImpl* host_impl)
     : host_impl_(host_impl)
     , pinch_zoom_active_(false) {
   DCHECK(host_impl_);
 }
 
 void Viewport::Pan(const gfx::Vector2dF& delta) {
   gfx::Vector2dF pending_delta = delta;
@@ skipping 203 matching lines @@
 
 LayerImpl* Viewport::InnerScrollLayer() const {
   return host_impl_->InnerViewportScrollLayer();
 }
 
 LayerImpl* Viewport::OuterScrollLayer() const {
   return host_impl_->OuterViewportScrollLayer();
 }
 
 }  // namespace cc