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

cc/trees/proxy_impl.h

 // 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.
 
 #ifndef CC_TREES_PROXY_IMPL_H_
 #define CC_TREES_PROXY_IMPL_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "cc/base/completion_event.h"
 #include "cc/base/delayed_unique_notifier.h"
 #include "cc/input/top_controls_state.h"
 #include "cc/scheduler/scheduler.h"
 #include "cc/trees/channel_impl.h"
 #include "cc/trees/layer_tree_host_impl.h"
 
 namespace cc {
 
 // This class aggregates all the interactions that the main side of the
 // compositor needs to have with the impl side. It is created and owned by the
 // ChannelImpl implementation. The class lives entirely on the impl thread.
 class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
                             public NON_EXPORTED_BASE(SchedulerClient) {
  public:
-  static scoped_ptr<ProxyImpl> Create(
+  static std::unique_ptr<ProxyImpl> Create(
       ChannelImpl* channel_impl,
       LayerTreeHost* layer_tree_host,
       TaskRunnerProvider* task_runner_provider,
-      scoped_ptr<BeginFrameSource> external_begin_frame_source);
+      std::unique_ptr<BeginFrameSource> external_begin_frame_source);
 
   ~ProxyImpl() override;
 
   // Virtual for testing.
   virtual void UpdateTopControlsStateOnImpl(TopControlsState constraints,
                                             TopControlsState current,
                                             bool animate);
   virtual void InitializeOutputSurfaceOnImpl(OutputSurface* output_surface);
   virtual void MainThreadHasStoppedFlingingOnImpl();
   virtual void SetInputThrottledUntilCommitOnImpl(bool is_throttled);
@@ skipping 13 matching lines @@
   virtual void StartCommitOnImpl(CompletionEvent* completion,
                                  LayerTreeHost* layer_tree_host,
                                  base::TimeTicks main_thread_start_time,
                                  bool hold_commit_for_activation);
 
  protected:
   // protected for testing.
   ProxyImpl(ChannelImpl* channel_impl,
             LayerTreeHost* layer_tree_host,
             TaskRunnerProvider* task_runner_provider,
-            scoped_ptr<BeginFrameSource> external_begin_frame_source);
+            std::unique_ptr<BeginFrameSource> external_begin_frame_source);
 
  private:
   // The members of this struct should be accessed on the impl thread only when
   // the main thread is blocked for a commit.
   struct BlockedMainCommitOnly {
     BlockedMainCommitOnly();
     ~BlockedMainCommitOnly();
     LayerTreeHost* layer_tree_host;
   };
 
@@ skipping 13 matching lines @@
   // Please call these 3 functions through
   // LayerTreeHostImpl's SetNeedsRedraw(), SetNeedsRedrawRect() and
   // SetNeedsOneBeginImplFrame().
   void SetNeedsRedrawOnImplThread() override;
   void SetNeedsRedrawRectOnImplThread(const gfx::Rect& dirty_rect) override;
   void SetNeedsOneBeginImplFrameOnImplThread() override;
   void SetNeedsPrepareTilesOnImplThread() override;
   void SetNeedsCommitOnImplThread() override;
   void SetVideoNeedsBeginFrames(bool needs_begin_frames) override;
   void PostAnimationEventsToMainThreadOnImplThread(
-      scoped_ptr<AnimationEvents> events) override;
+      std::unique_ptr<AnimationEvents> events) override;
   bool IsInsideDraw() override;
   void RenewTreePriority() override;
   void PostDelayedAnimationTaskOnImplThread(const base::Closure& task,
                                             base::TimeDelta delay) override;
   void DidActivateSyncTree() override;
   void WillPrepareTiles() override;
   void DidPrepareTiles() override;
   void DidCompletePageScaleAnimationOnImplThread() override;
   void OnDrawForOutputSurface(bool resourceless_software_draw) override;
   // This should only be called by LayerTreeHostImpl::PostFrameTimingEvents.
   void PostFrameTimingEventsOnImplThread(
-      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)
       override;
 
   // SchedulerClient implementation
   void WillBeginImplFrame(const BeginFrameArgs& args) override;
   void DidFinishImplFrame() override;
   void ScheduledActionSendBeginMainFrame(const BeginFrameArgs& args) override;
   DrawResult ScheduledActionDrawAndSwapIfPossible() override;
   DrawResult ScheduledActionDrawAndSwapForced() override;
   void ScheduledActionCommit() override;
   void ScheduledActionActivateSyncTree() override;
   void ScheduledActionBeginOutputSurfaceCreation() override;
   void ScheduledActionPrepareTiles() override;
   void ScheduledActionInvalidateOutputSurface() override;
   void SendBeginFramesToChildren(const BeginFrameArgs& args) override;
   void SendBeginMainFrameNotExpectedSoon() override;
 
   DrawResult DrawAndSwapInternal(bool forced_draw);
 
   bool IsImplThread() const;
   bool IsMainThreadBlocked() const;
 
   const int layer_tree_host_id_;
 
-  scoped_ptr<Scheduler> scheduler_;
+  std::unique_ptr<Scheduler> scheduler_;
 
   // Set when the main thread is waiting on a pending tree activation.
   bool next_commit_waits_for_activation_;
 
   // Set when the main thread is waiting on a commit to complete or on a
   // pending tree activation.
   CompletionEvent* commit_completion_event_;
 
   // Set when the next draw should post DidCommitAndDrawFrame to the main
   // thread.
   bool next_frame_is_newly_committed_frame_;
 
   bool inside_draw_;
   bool input_throttled_until_commit_;
 
   TaskRunnerProvider* task_runner_provider_;
 
   DelayedUniqueNotifier smoothness_priority_expiration_notifier_;
 
-  scoped_ptr<BeginFrameSource> external_begin_frame_source_;
-  scoped_ptr<BeginFrameSource> unthrottled_begin_frame_source_;
-  scoped_ptr<SyntheticBeginFrameSource> synthetic_begin_frame_source_;
+  std::unique_ptr<BeginFrameSource> external_begin_frame_source_;
+  std::unique_ptr<BeginFrameSource> unthrottled_begin_frame_source_;
+  std::unique_ptr<SyntheticBeginFrameSource> synthetic_begin_frame_source_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
 
   // Values used to keep track of frame durations. Used only in frame timing.
   BeginFrameArgs last_begin_main_frame_args_;
   BeginFrameArgs last_processed_begin_main_frame_args_;
 
-  scoped_ptr<LayerTreeHostImpl> layer_tree_host_impl_;
+  std::unique_ptr<LayerTreeHostImpl> layer_tree_host_impl_;
 
   ChannelImpl* channel_impl_;
 
   // Use accessors instead of this variable directly.
   BlockedMainCommitOnly main_thread_blocked_commit_vars_unsafe_;
   BlockedMainCommitOnly& blocked_main_commit();
 
   DISALLOW_COPY_AND_ASSIGN(ProxyImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROXY_IMPL_H_