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

cc/tiles/picture_layer_tiling.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_TILES_PICTURE_LAYER_TILING_H_
 #define CC_TILES_PICTURE_LAYER_TILING_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <unordered_map>
 #include <utility>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/region.h"
 #include "cc/base/tiling_data.h"
 #include "cc/tiles/tile.h"
 #include "cc/tiles/tile_priority.h"
 #include "cc/trees/occlusion.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace base {
 namespace trace_event {
@@ skipping 53 matching lines @@
   static const int kBorderTexels = 1;
 
   PictureLayerTilingClient* client() const { return client_; }
   ~PictureLayerTiling();
 
   static float CalculateSoonBorderDistance(
       const gfx::Rect& visible_rect_in_content_space,
       float content_to_screen_scale);
 
   // Create a tiling with no tiles. CreateTile() must be called to add some.
-  static scoped_ptr<PictureLayerTiling> Create(
+  static std::unique_ptr<PictureLayerTiling> Create(
       WhichTree tree,
       float contents_scale,
       scoped_refptr<RasterSource> raster_source,
       PictureLayerTilingClient* client,
       size_t tiling_interest_area_padding,
       float skewport_target_time_in_seconds,
       int skewport_extrapolation_limit_in_content_pixels);
 
   void SetRasterSourceAndResize(scoped_refptr<RasterSource> raster_source);
   void Invalidate(const Region& layer_invalidation);
@@ skipping 303 matching lines @@
   bool all_tiles_done_;
   bool invalidated_since_last_compute_priority_rects_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PictureLayerTiling);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILES_PICTURE_LAYER_TILING_H_