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

cc/scheduler/compositor_timing_history.h

 // Copyright 2014 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_SCHEDULER_COMPOSITOR_TIMING_HISTORY_H_
 #define CC_SCHEDULER_COMPOSITOR_TIMING_HISTORY_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "cc/base/rolling_time_delta_history.h"
 
 namespace base {
 namespace trace_event {
 class TracedValue;
 }  // namespace trace_event
 }  // namespace base
 
 namespace cc {
 
@@ skipping 58 matching lines @@
 
  protected:
   void DidBeginMainFrame();
 
   void SetBeginMainFrameNeededContinuously(bool active);
   void SetBeginMainFrameCommittingContinuously(bool active);
   void SetCompositorDrawingContinuously(bool active);
 
   bool ShouldReportUma() const;
 
-  static scoped_ptr<UMAReporter> CreateUMAReporter(UMACategory category);
+  static std::unique_ptr<UMAReporter> CreateUMAReporter(UMACategory category);
   virtual base::TimeTicks Now() const;
 
   bool using_synchronous_renderer_compositor_;
   bool enabled_;
 
   // Used to limit the recorded UMA data to once every N frames.
   int draw_count_;
 
   // Used to calculate frame rates of Main and Impl threads.
   bool did_send_begin_main_frame_;
@@ skipping 19 matching lines @@
   base::TimeTicks begin_main_frame_sent_time_;
   base::TimeTicks begin_main_frame_start_time_;
   base::TimeTicks begin_main_frame_end_time_;
   base::TimeTicks pending_tree_main_frame_time_;
   base::TimeTicks prepare_tiles_start_time_;
   base::TimeTicks activate_start_time_;
   base::TimeTicks active_tree_main_frame_time_;
   base::TimeTicks draw_start_time_;
   base::TimeTicks swap_start_time_;
 
-  scoped_ptr<UMAReporter> uma_reporter_;
+  std::unique_ptr<UMAReporter> uma_reporter_;
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CompositorTimingHistory);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_COMPOSITOR_TIMING_HISTORY_H_