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

cc/trees/proxy_impl.h

Index: cc/trees/proxy_impl.h
diff --git a/cc/trees/proxy_impl.h b/cc/trees/proxy_impl.h
index a335d8abe1ac4e75ce7e017221ad6857234c92c6..5aa4655a859c3dfa9d319ee3440470ebb9a55a03 100644
--- a/cc/trees/proxy_impl.h
+++ b/cc/trees/proxy_impl.h
@@ -5,8 +5,9 @@
 #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"
@@ -22,11 +23,11 @@ namespace cc {
 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;
 
@@ -60,7 +61,7 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
   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
@@ -94,7 +95,7 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
   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,
@@ -106,8 +107,8 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
   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
@@ -131,7 +132,7 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
 
   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_;
@@ -151,9 +152,9 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
 
   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_;
 
@@ -161,7 +162,7 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
   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_;