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

cc/output/bsp_walk_action.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_OUTPUT_BSP_WALK_ACTION_H_
 #define CC_OUTPUT_BSP_WALK_ACTION_H_
 
+#include <memory>
 #include <vector>
 
-#include "base/memory/scoped_ptr.h"
 #include "cc/output/direct_renderer.h"
 #include "cc/quads/draw_polygon.h"
 
 namespace cc {
 
 class CC_EXPORT BspWalkAction {
  public:
   virtual void operator()(DrawPolygon* item) = 0;
 };
 
@@ skipping 20 matching lines @@
   explicit BspWalkActionToVector(std::vector<DrawPolygon*>* in_list);
   void operator()(DrawPolygon* item) override;
 
  private:
   std::vector<DrawPolygon*>* list_;
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_BSP_WALK_ACTION_H_