Convert //ppapi to use std::unique_ptr

ppapi/shared_impl/compositor_layer_data.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 PPAPI_SHARED_IMPL_COMPOSITOR_LAYER_DATA_H_
 #define PPAPI_SHARED_IMPL_COMPOSITOR_LAYER_DATA_H_
 
 #include <stdint.h>
 #include <string.h>
 
+#include <memory>
+
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "ppapi/c/ppb_compositor_layer.h"
 #include "ppapi/shared_impl/host_resource.h"
 #include "ppapi/shared_impl/ppapi_shared_export.h"
 
 namespace ppapi {
 
 struct PPAPI_SHARED_EXPORT CompositorLayerData {
 
@@ skipping 82 matching lines @@
     int i = 0;
     if (color) ++i;
     if (texture) ++i;
     if (image) ++i;
     return i == 1;
   }
 
   const CompositorLayerData& operator=(const CompositorLayerData& other);
 
   LayerCommon common;
-  scoped_ptr<ColorLayer> color;
-  scoped_ptr<TextureLayer> texture;
-  scoped_ptr<ImageLayer> image;
+  std::unique_ptr<ColorLayer> color;
+  std::unique_ptr<TextureLayer> texture;
+  std::unique_ptr<ImageLayer> image;
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_COMPOSITOR_LAYER_DATA_H_