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

cc/tiles/eviction_tile_priority_queue.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_TILES_EVICTION_TILE_PRIORITY_QUEUE_H_
 #define CC_TILES_EVICTION_TILE_PRIORITY_QUEUE_H_
 
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 14 matching lines @@
 
   void Build(const std::vector<PictureLayerImpl*>& active_layers,
              const std::vector<PictureLayerImpl*>& pending_layers,
              TreePriority tree_priority);
 
   bool IsEmpty() const;
   const PrioritizedTile& Top() const;
   void Pop();
 
  private:
-  std::vector<scoped_ptr<TilingSetEvictionQueue>>& GetNextQueues();
-  const std::vector<scoped_ptr<TilingSetEvictionQueue>>& GetNextQueues() const;
+  std::vector<std::unique_ptr<TilingSetEvictionQueue>>& GetNextQueues();
+  const std::vector<std::unique_ptr<TilingSetEvictionQueue>>& GetNextQueues()
+      const;
 
-  std::vector<scoped_ptr<TilingSetEvictionQueue>> active_queues_;
-  std::vector<scoped_ptr<TilingSetEvictionQueue>> pending_queues_;
+  std::vector<std::unique_ptr<TilingSetEvictionQueue>> active_queues_;
+  std::vector<std::unique_ptr<TilingSetEvictionQueue>> pending_queues_;
   TreePriority tree_priority_;
 
   DISALLOW_COPY_AND_ASSIGN(EvictionTilePriorityQueue);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILES_EVICTION_TILE_PRIORITY_QUEUE_H_