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

cc/trees/layer_tree_impl.cc

 // Copyright 2011 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/trees/layer_tree_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 253 matching lines @@
 
   if (scrollbar_needs_animation) {
     ScrollbarAnimationController* controller =
         layer_tree_host_impl_->ScrollbarAnimationControllerForId(
             scroll_layer_id);
     if (controller)
       controller->DidScrollUpdate(scroll_layer_size_did_change);
   }
 }
 
-void LayerTreeImpl::SetRootLayer(scoped_ptr<LayerImpl> layer) {
+void LayerTreeImpl::SetRootLayer(std::unique_ptr<LayerImpl> layer) {
   if (root_layer_ && layer.get() != root_layer_)
     RemoveLayer(root_layer_->id());
   root_layer_ = layer.get();
   if (layer)
     AddLayer(std::move(layer));
   layer_tree_host_impl_->OnCanDrawStateChangedForTree();
 }
 
 bool LayerTreeImpl::IsRootLayer(const LayerImpl* layer) const {
   return root_layer_ == layer;
@@ skipping 24 matching lines @@
 
   if (InnerViewportScrollLayer())
     offset += InnerViewportScrollLayer()->MaxScrollOffset();
 
   if (OuterViewportScrollLayer())
     offset += OuterViewportScrollLayer()->MaxScrollOffset();
 
   return offset;
 }
 
-scoped_ptr<OwnedLayerImplList> LayerTreeImpl::DetachLayers() {
+std::unique_ptr<OwnedLayerImplList> LayerTreeImpl::DetachLayers() {
   root_layer_ = nullptr;
   render_surface_layer_list_.clear();
   set_needs_update_draw_properties();
-  scoped_ptr<OwnedLayerImplList> ret = std::move(layers_);
+  std::unique_ptr<OwnedLayerImplList> ret = std::move(layers_);
   layers_.reset(new OwnedLayerImplList);
   return ret;
 }
 
 void LayerTreeImpl::ClearLayers() {
   SetRootLayer(nullptr);
   DCHECK(layers_->empty());
 }
 
 static void UpdateClipTreeForBoundsDeltaOnLayer(LayerImpl* layer,
@@ skipping 699 matching lines @@
 void LayerTreeImpl::UnregisterLayer(LayerImpl* layer) {
   DCHECK(LayerById(layer->id()));
   layer_tree_host_impl_->animation_host()->UnregisterLayer(
       layer->id(),
       IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING);
   layer_id_map_.erase(layer->id());
   DCHECK_NE(root_layer_, layer);
 }
 
 // These manage ownership of the LayerImpl.
-void LayerTreeImpl::AddLayer(scoped_ptr<LayerImpl> layer) {
+void LayerTreeImpl::AddLayer(std::unique_ptr<LayerImpl> layer) {
   DCHECK(std::find(layers_->begin(), layers_->end(), layer) == layers_->end());
   layers_->push_back(std::move(layer));
   set_needs_update_draw_properties();
 }
 
-scoped_ptr<LayerImpl> LayerTreeImpl::RemoveLayer(int id) {
+std::unique_ptr<LayerImpl> LayerTreeImpl::RemoveLayer(int id) {
   if (root_layer_ && root_layer_->id() == id)
     root_layer_ = nullptr;
   for (auto it = layers_->begin(); it != layers_->end(); ++it) {
     if ((*it) && (*it)->id() != id)
       continue;
-    scoped_ptr<LayerImpl> ret = std::move(*it);
+    std::unique_ptr<LayerImpl> ret = std::move(*it);
     set_needs_update_draw_properties();
     layers_->erase(it);
     return ret;
   }
   return nullptr;
 }
 
 size_t LayerTreeImpl::NumLayers() {
   return layer_id_map_.size();
 }
@@ skipping 136 matching lines @@
 }
 
 gfx::Size LayerTreeImpl::DrawViewportSize() const {
   return layer_tree_host_impl_->DrawViewportSize();
 }
 
 const gfx::Rect LayerTreeImpl::ViewportRectForTilePriority() const {
   return layer_tree_host_impl_->ViewportRectForTilePriority();
 }
 
-scoped_ptr<ScrollbarAnimationController>
+std::unique_ptr<ScrollbarAnimationController>
 LayerTreeImpl::CreateScrollbarAnimationController(int scroll_layer_id) {
   DCHECK(settings().scrollbar_fade_delay_ms);
   DCHECK(settings().scrollbar_fade_duration_ms);
   base::TimeDelta delay =
       base::TimeDelta::FromMilliseconds(settings().scrollbar_fade_delay_ms);
   base::TimeDelta resize_delay = base::TimeDelta::FromMilliseconds(
       settings().scrollbar_fade_resize_delay_ms);
   base::TimeDelta duration =
       base::TimeDelta::FromMilliseconds(settings().scrollbar_fade_duration_ms);
   switch (settings().scrollbar_animator) {
@@ skipping 100 matching lines @@
   outer_viewport_offset = root_offset - inner_viewport_offset;
   outer_viewport_offset.SetToMin(max_outer_viewport_scroll_offset);
   outer_viewport_offset.SetToMax(gfx::ScrollOffset());
 
   OuterViewportScrollLayer()->SetCurrentScrollOffset(outer_viewport_offset);
   inner_viewport_offset = root_offset - outer_viewport_offset;
   InnerViewportScrollLayer()->SetCurrentScrollOffset(inner_viewport_offset);
   return true;
 }
 
-void LayerTreeImpl::QueueSwapPromise(scoped_ptr<SwapPromise> swap_promise) {
+void LayerTreeImpl::QueueSwapPromise(
+    std::unique_ptr<SwapPromise> swap_promise) {
   DCHECK(swap_promise);
   swap_promise_list_.push_back(std::move(swap_promise));
 }
 
 void LayerTreeImpl::QueuePinnedSwapPromise(
-    scoped_ptr<SwapPromise> swap_promise) {
+    std::unique_ptr<SwapPromise> swap_promise) {
   DCHECK(IsActiveTree());
   DCHECK(swap_promise);
   pinned_swap_promise_list_.push_back(std::move(swap_promise));
 }
 
 void LayerTreeImpl::PassSwapPromises(
-    std::vector<scoped_ptr<SwapPromise>>* new_swap_promise) {
+    std::vector<std::unique_ptr<SwapPromise>>* new_swap_promise) {
   for (const auto& swap_promise : swap_promise_list_)
     swap_promise->DidNotSwap(SwapPromise::SWAP_FAILS);
   swap_promise_list_.clear();
   swap_promise_list_.swap(*new_swap_promise);
 }
 
 void LayerTreeImpl::FinishSwapPromises(CompositorFrameMetadata* metadata) {
   for (const auto& swap_promise : swap_promise_list_)
     swap_promise->DidSwap(metadata);
   swap_promise_list_.clear();
@@ skipping 576 matching lines @@
 bool LayerTreeImpl::SmoothnessTakesPriority() const {
   return layer_tree_host_impl_->GetTreePriority() == SMOOTHNESS_TAKES_PRIORITY;
 }
 
 VideoFrameControllerClient* LayerTreeImpl::GetVideoFrameControllerClient()
     const {
   return layer_tree_host_impl_;
 }
 
 void LayerTreeImpl::SetPendingPageScaleAnimation(
-    scoped_ptr<PendingPageScaleAnimation> pending_animation) {
+    std::unique_ptr<PendingPageScaleAnimation> pending_animation) {
   pending_page_scale_animation_ = std::move(pending_animation);
 }
 
-scoped_ptr<PendingPageScaleAnimation>
+std::unique_ptr<PendingPageScaleAnimation>
 LayerTreeImpl::TakePendingPageScaleAnimation() {
   return std::move(pending_page_scale_animation_);
 }
 
 bool LayerTreeImpl::IsAnimatingFilterProperty(const LayerImpl* layer) const {
   LayerTreeType tree_type =
       IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
   return layer_tree_host_impl_->animation_host()->IsAnimatingFilterProperty(
       layer->id(), tree_type);
 }
@@ skipping 135 matching lines @@
 }
 
 void LayerTreeImpl::ResetAllChangeTracking(PropertyTrees::ResetFlags flag) {
   layers_that_should_push_properties_.clear();
   for (auto* layer : *this)
     layer->ResetChangeTracking();
   property_trees_.ResetAllChangeTracking(flag);
 }
 
 }  // namespace cc