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

cc/trees/layer_tree_host.h

 // 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <limits>
+#include <memory>
 #include <set>
 #include <string>
 #include <unordered_map>
 #include <vector>
 
 #include "base/cancelable_callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "cc/animation/target_property.h"
 #include "cc/base/cc_export.h"
 #include "cc/debug/frame_timing_tracker.h"
 #include "cc/debug/micro_benchmark.h"
 #include "cc/debug/micro_benchmark_controller.h"
 #include "cc/input/event_listener_properties.h"
 #include "cc/input/input_handler.h"
 #include "cc/input/layer_selection_bound.h"
@@ skipping 53 matching lines @@
  public:
   // TODO(sad): InitParams should be a movable type so that it can be
   // std::move()d to the Create* functions.
   struct CC_EXPORT InitParams {
     LayerTreeHostClient* client = nullptr;
     SharedBitmapManager* shared_bitmap_manager = nullptr;
     gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager = nullptr;
     TaskGraphRunner* task_graph_runner = nullptr;
     LayerTreeSettings const* settings = nullptr;
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner;
-    scoped_ptr<BeginFrameSource> external_begin_frame_source;
+    std::unique_ptr<BeginFrameSource> external_begin_frame_source;
     ImageSerializationProcessor* image_serialization_processor = nullptr;
 
     InitParams();
     ~InitParams();
   };
 
   // The SharedBitmapManager will be used on the compositor thread.
-  static scoped_ptr<LayerTreeHost> CreateThreaded(
+  static std::unique_ptr<LayerTreeHost> CreateThreaded(
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner,
       InitParams* params);
 
-  static scoped_ptr<LayerTreeHost> CreateSingleThreaded(
+  static std::unique_ptr<LayerTreeHost> CreateSingleThreaded(
       LayerTreeHostSingleThreadClient* single_thread_client,
       InitParams* params);
 
-  static scoped_ptr<LayerTreeHost> CreateRemoteServer(
+  static std::unique_ptr<LayerTreeHost> CreateRemoteServer(
       RemoteProtoChannel* remote_proto_channel,
       InitParams* params);
 
   // The lifetime of this LayerTreeHost is tied to the lifetime of the remote
   // server LayerTreeHost. It should be created on receiving
   // CompositorMessageToImpl::InitializeImpl message and destroyed on receiving
   // a CompositorMessageToImpl::CloseImpl message from the server. This ensures
   // that the client will not send any compositor messages once the
   // LayerTreeHost on the server is destroyed.
-  static scoped_ptr<LayerTreeHost> CreateRemoteClient(
+  static std::unique_ptr<LayerTreeHost> CreateRemoteClient(
       RemoteProtoChannel* remote_proto_channel,
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner,
       InitParams* params);
 
   virtual ~LayerTreeHost();
 
   // LayerTreeHost interface to Proxy.
   void WillBeginMainFrame();
   void DidBeginMainFrame();
   void BeginMainFrame(const BeginFrameArgs& args);
   void BeginMainFrameNotExpectedSoon();
   void AnimateLayers(base::TimeTicks monotonic_frame_begin_time);
   void DidStopFlinging();
   void RequestMainFrameUpdate();
   void FinishCommitOnImplThread(LayerTreeHostImpl* host_impl);
   void WillCommit();
   void CommitComplete();
-  void SetOutputSurface(scoped_ptr<OutputSurface> output_surface);
-  scoped_ptr<OutputSurface> ReleaseOutputSurface();
+  void SetOutputSurface(std::unique_ptr<OutputSurface> output_surface);
+  std::unique_ptr<OutputSurface> ReleaseOutputSurface();
   void RequestNewOutputSurface();
   void DidInitializeOutputSurface();
   void DidFailToInitializeOutputSurface();
-  virtual scoped_ptr<LayerTreeHostImpl> CreateLayerTreeHostImpl(
+  virtual std::unique_ptr<LayerTreeHostImpl> CreateLayerTreeHostImpl(
       LayerTreeHostImplClient* client);
   void DidLoseOutputSurface();
   bool output_surface_lost() const { return output_surface_lost_; }
   void DidCommitAndDrawFrame() { client_->DidCommitAndDrawFrame(); }
   void DidCompleteSwapBuffers() { client_->DidCompleteSwapBuffers(); }
   bool UpdateLayers();
 
   // Called when the compositor completed page scale animation.
   void DidCompletePageScaleAnimation();
 
@@ skipping 45 matching lines @@
       bool needs_meta_info_recomputation);
   void SetNeedsRedraw();
   void SetNeedsRedrawRect(const gfx::Rect& damage_rect);
   bool CommitRequested() const;
   bool BeginMainFrameRequested() const;
 
   void SetNextCommitWaitsForActivation();
 
   void SetNextCommitForcesRedraw();
 
-  void SetAnimationEvents(scoped_ptr<AnimationEvents> events);
+  void SetAnimationEvents(std::unique_ptr<AnimationEvents> events);
 
   void SetRootLayer(scoped_refptr<Layer> root_layer);
   Layer* root_layer() { return root_layer_.get(); }
   const Layer* root_layer() const { return root_layer_.get(); }
   const Layer* overscroll_elasticity_layer() const {
     return overscroll_elasticity_layer_.get();
   }
   const Layer* page_scale_layer() const { return page_scale_layer_.get(); }
   void RegisterViewportLayers(scoped_refptr<Layer> overscroll_elasticity_layer,
                               scoped_refptr<Layer> page_scale_layer,
@@ skipping 93 matching lines @@
   // were evicted on the impl thread.
   void RecreateUIResources();
 
   virtual gfx::Size GetUIResourceSize(UIResourceId id) const;
 
   bool UsingSharedMemoryResources();
   int id() const { return id_; }
 
   // Returns the id of the benchmark on success, 0 otherwise.
   int ScheduleMicroBenchmark(const std::string& benchmark_name,
-                             scoped_ptr<base::Value> value,
+                             std::unique_ptr<base::Value> value,
                              const MicroBenchmark::DoneCallback& callback);
   // Returns true if the message was successfully delivered and handled.
-  bool SendMessageToMicroBenchmark(int id, scoped_ptr<base::Value> value);
+  bool SendMessageToMicroBenchmark(int id, std::unique_ptr<base::Value> value);
 
   // When a SwapPromiseMonitor is created on the main thread, it calls
   // InsertSwapPromiseMonitor() to register itself with LayerTreeHost.
   // When the monitor is destroyed, it calls RemoveSwapPromiseMonitor()
   // to unregister itself.
   void InsertSwapPromiseMonitor(SwapPromiseMonitor* monitor);
   void RemoveSwapPromiseMonitor(SwapPromiseMonitor* monitor);
 
   // Call this function when you expect there to be a swap buffer.
   // See swap_promise.h for how to use SwapPromise.
-  void QueueSwapPromise(scoped_ptr<SwapPromise> swap_promise);
+  void QueueSwapPromise(std::unique_ptr<SwapPromise> swap_promise);
 
   void BreakSwapPromises(SwapPromise::DidNotSwapReason reason);
 
   size_t num_queued_swap_promises() const { return swap_promise_list_.size(); }
 
   void set_surface_id_namespace(uint32_t id_namespace);
   SurfaceSequence CreateSurfaceSequence();
 
   void SetChildrenNeedBeginFrames(bool children_need_begin_frames) const;
   void SendBeginFramesToChildren(const BeginFrameArgs& args) const;
 
   void SetAuthoritativeVSyncInterval(const base::TimeDelta& interval);
 
   PropertyTrees* property_trees() { return &property_trees_; }
   bool needs_meta_info_recomputation() {
     return needs_meta_info_recomputation_;
   }
 
   void RecordFrameTimingEvents(
-      scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
-      scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events);
+      std::unique_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+      std::unique_ptr<FrameTimingTracker::MainFrameTimingSet>
+          main_frame_events);
 
   Layer* LayerById(int id) const;
 
   void AddLayerShouldPushProperties(Layer* layer);
   void RemoveLayerShouldPushProperties(Layer* layer);
   std::unordered_set<Layer*>& LayersThatShouldPushProperties();
   bool LayerNeedsPushPropertiesForTesting(Layer* layer);
 
   void RegisterLayer(Layer* layer);
   void UnregisterLayer(Layer* layer);
@@ skipping 54 matching lines @@
 
   ImageSerializationProcessor* image_serialization_processor() const {
     return image_serialization_processor_;
   }
 
  protected:
   LayerTreeHost(InitParams* params, CompositorMode mode);
   void InitializeThreaded(
       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner,
-      scoped_ptr<BeginFrameSource> external_begin_frame_source);
+      std::unique_ptr<BeginFrameSource> external_begin_frame_source);
   void InitializeSingleThreaded(
       LayerTreeHostSingleThreadClient* single_thread_client,
       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-      scoped_ptr<BeginFrameSource> external_begin_frame_source);
+      std::unique_ptr<BeginFrameSource> external_begin_frame_source);
   void InitializeRemoteServer(
       RemoteProtoChannel* remote_proto_channel,
       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner);
   void InitializeRemoteClient(
       RemoteProtoChannel* remote_proto_channel,
       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
   void InitializeForTesting(
-      scoped_ptr<TaskRunnerProvider> task_runner_provider,
-      scoped_ptr<Proxy> proxy_for_testing,
-      scoped_ptr<BeginFrameSource> external_begin_frame_source);
+      std::unique_ptr<TaskRunnerProvider> task_runner_provider,
+      std::unique_ptr<Proxy> proxy_for_testing,
+      std::unique_ptr<BeginFrameSource> external_begin_frame_source);
   void SetOutputSurfaceLostForTesting(bool is_lost) {
     output_surface_lost_ = is_lost;
   }
   void SetTaskRunnerProviderForTesting(
-      scoped_ptr<TaskRunnerProvider> task_runner_provider);
+      std::unique_ptr<TaskRunnerProvider> task_runner_provider);
 
   // shared_bitmap_manager(), gpu_memory_buffer_manager(), and
   // task_graph_runner() return valid values only until the LayerTreeHostImpl is
   // created in CreateLayerTreeHostImpl().
   SharedBitmapManager* shared_bitmap_manager() const {
     return shared_bitmap_manager_;
   }
   gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager() const {
     return gpu_memory_buffer_manager_;
   }
   TaskGraphRunner* task_graph_runner() const { return task_graph_runner_; }
 
   MicroBenchmarkController micro_benchmark_controller_;
 
   void OnCommitForSwapPromises();
 
   void RecordGpuRasterizationHistogram();
 
  private:
   friend class LayerTreeHostSerializationTest;
 
   void InitializeProxy(
-      scoped_ptr<Proxy> proxy,
-      scoped_ptr<BeginFrameSource> external_begin_frame_source);
+      std::unique_ptr<Proxy> proxy,
+      std::unique_ptr<BeginFrameSource> external_begin_frame_source);
 
   bool DoUpdateLayers(Layer* root_layer);
   void UpdateHudLayer();
 
   bool AnimateLayersRecursive(Layer* current, base::TimeTicks time);
 
   struct UIResourceClientData {
     UIResourceClient* client;
     gfx::Size size;
   };
@@ skipping 11 matching lines @@
   void NotifySwapPromiseMonitorsOfSetNeedsCommit();
 
   void SetPropertyTreesNeedRebuild();
 
   const CompositorMode compositor_mode_;
 
   bool needs_full_tree_sync_;
   bool needs_meta_info_recomputation_;
 
   LayerTreeHostClient* client_;
-  scoped_ptr<Proxy> proxy_;
-  scoped_ptr<TaskRunnerProvider> task_runner_provider_;
+  std::unique_ptr<Proxy> proxy_;
+  std::unique_ptr<TaskRunnerProvider> task_runner_provider_;
 
   int source_frame_number_;
   int meta_information_sequence_number_;
-  scoped_ptr<RenderingStatsInstrumentation> rendering_stats_instrumentation_;
+  std::unique_ptr<RenderingStatsInstrumentation>
+      rendering_stats_instrumentation_;
 
   // |current_output_surface_| can't be updated until we've successfully
   // initialized a new output surface. |new_output_surface_| contains the
   // new output surface that is currently being initialized. If initialization
   // is successful then |new_output_surface_| replaces
   // |current_output_surface_|.
-  scoped_ptr<OutputSurface> new_output_surface_;
-  scoped_ptr<OutputSurface> current_output_surface_;
+  std::unique_ptr<OutputSurface> new_output_surface_;
+  std::unique_ptr<OutputSurface> current_output_surface_;
   bool output_surface_lost_;
 
   scoped_refptr<Layer> root_layer_;
   scoped_refptr<HeadsUpDisplayLayer> hud_layer_;
 
   base::WeakPtr<InputHandler> input_handler_weak_ptr_;
 
   const LayerTreeSettings settings_;
   LayerTreeDebugState debug_state_;
 
@@ skipping 14 matching lines @@
   bool content_is_suitable_for_gpu_rasterization_;
   bool gpu_rasterization_histogram_recorded_;
 
   SkColor background_color_;
   bool has_transparent_background_;
 
   bool have_scroll_event_handlers_;
   EventListenerProperties event_listener_properties_[static_cast<size_t>(
       EventListenerClass::kNumClasses)];
 
-  scoped_ptr<AnimationHost> animation_host_;
+  std::unique_ptr<AnimationHost> animation_host_;
 
-  scoped_ptr<PendingPageScaleAnimation> pending_page_scale_animation_;
+  std::unique_ptr<PendingPageScaleAnimation> pending_page_scale_animation_;
 
   // If set, then page scale animation has completed, but the client hasn't been
   // notified about it yet.
   bool did_complete_scale_animation_;
 
   bool in_paint_layer_contents_;
 
   int id_;
   bool next_commit_forces_redraw_;
 
   scoped_refptr<Layer> overscroll_elasticity_layer_;
   scoped_refptr<Layer> page_scale_layer_;
   scoped_refptr<Layer> inner_viewport_scroll_layer_;
   scoped_refptr<Layer> outer_viewport_scroll_layer_;
 
   LayerSelection selection_;
 
   SharedBitmapManager* shared_bitmap_manager_;
   gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
   TaskGraphRunner* task_graph_runner_;
 
   ImageSerializationProcessor* image_serialization_processor_;
 
-  std::vector<scoped_ptr<SwapPromise>> swap_promise_list_;
+  std::vector<std::unique_ptr<SwapPromise>> swap_promise_list_;
   std::set<SwapPromiseMonitor*> swap_promise_monitor_;
 
   PropertyTrees property_trees_;
 
   using LayerIdMap = std::unordered_map<int, Layer*>;
   LayerIdMap layer_id_map_;
   // Set of layers that need to push properties.
   std::unordered_set<Layer*> layers_that_should_push_properties_;
 
   uint32_t surface_id_namespace_;
   uint32_t next_surface_sequence_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_