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

cc/scheduler/scheduler.h

Index: cc/scheduler/scheduler.h
diff --git a/cc/scheduler/scheduler.h b/cc/scheduler/scheduler.h
index 6672de443526fc14bb00ac0eb7281415b00f1ea4..9aade7e2d454f548864e7d559a8b29a55b801cd9 100644
--- a/cc/scheduler/scheduler.h
+++ b/cc/scheduler/scheduler.h
@@ -6,11 +6,11 @@
 #define CC_SCHEDULER_SCHEDULER_H_
 
 #include <deque>
+#include <memory>
 #include <string>
 
 #include "base/cancelable_callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "cc/base/cc_export.h"
 #include "cc/output/begin_frame_args.h"
@@ -55,13 +55,13 @@ class SchedulerClient {
 
 class CC_EXPORT Scheduler : public BeginFrameObserverBase {
  public:
-  static scoped_ptr<Scheduler> Create(
+  static std::unique_ptr<Scheduler> Create(
       SchedulerClient* client,
       const SchedulerSettings& scheduler_settings,
       int layer_tree_host_id,
       base::SingleThreadTaskRunner* task_runner,
       BeginFrameSource* begin_frame_source,
-      scoped_ptr<CompositorTimingHistory> compositor_timing_history);
+      std::unique_ptr<CompositorTimingHistory> compositor_timing_history);
 
   ~Scheduler() override;
 
@@ -135,7 +135,7 @@ class CC_EXPORT Scheduler : public BeginFrameObserverBase {
 
   void SetDeferCommits(bool defer_commits);
 
-  scoped_ptr<base::trace_event::ConvertableToTraceFormat> AsValue() const;
+  std::unique_ptr<base::trace_event::ConvertableToTraceFormat> AsValue() const;
   void AsValueInto(base::trace_event::TracedValue* value) const override;
 
   void SetChildrenNeedBeginFrames(bool children_need_begin_frames);
@@ -151,7 +151,7 @@ class CC_EXPORT Scheduler : public BeginFrameObserverBase {
             int layer_tree_host_id,
             base::SingleThreadTaskRunner* task_runner,
             BeginFrameSource* begin_frame_source,
-            scoped_ptr<CompositorTimingHistory> compositor_timing_history);
+            std::unique_ptr<CompositorTimingHistory> compositor_timing_history);
 
   // Virtual for testing.
   virtual base::TimeTicks Now() const;
@@ -166,7 +166,7 @@ class CC_EXPORT Scheduler : public BeginFrameObserverBase {
   BeginFrameSource* begin_frame_source_;
   bool observing_begin_frame_source_;
 
-  scoped_ptr<CompositorTimingHistory> compositor_timing_history_;
+  std::unique_ptr<CompositorTimingHistory> compositor_timing_history_;
   base::TimeDelta estimated_parent_draw_time_;
 
   std::deque<BeginFrameArgs> begin_retro_frame_args_;