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

cc/debug/debug_rect_history.h

 // Copyright 2012 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_DEBUG_DEBUG_RECT_HISTORY_H_
 #define CC_DEBUG_DEBUG_RECT_HISTORY_H_
 
+#include <memory>
 #include <vector>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "cc/layers/layer_collections.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace cc {
 
 class LayerImpl;
 class LayerTreeDebugState;
 class LayerTreeImpl;
 
 // There are currently six types of debug rects:
@@ skipping 33 matching lines @@
 
   DebugRectType type;
   gfx::Rect rect;
 };
 
 // This class maintains a history of rects of various types that can be used
 // for debugging purposes. The overhead of collecting rects is performed only if
 // the appropriate LayerTreeSettings are enabled.
 class DebugRectHistory {
  public:
-  static scoped_ptr<DebugRectHistory> Create();
+  static std::unique_ptr<DebugRectHistory> Create();
 
   ~DebugRectHistory();
 
   // Note: Saving debug rects must happen before layers' change tracking is
   // reset.
   void SaveDebugRectsForCurrentFrame(
       LayerImpl* root_layer,
       LayerImpl* hud_layer,
       const LayerImplList& render_surface_layer_list,
       const LayerTreeDebugState& debug_state);
@@ skipping 21 matching lines @@
       const LayerImplList& render_surface_layer_list);
 
   std::vector<DebugRect> debug_rects_;
 
   DISALLOW_COPY_AND_ASSIGN(DebugRectHistory);
 };
 
 }  // namespace cc
 
 #endif  // CC_DEBUG_DEBUG_RECT_HISTORY_H_