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

cc/blink/web_external_texture_layer_impl.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_BLINK_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_
 #define CC_BLINK_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_
 
+#include <memory>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "cc/blink/cc_blink_export.h"
 #include "cc/layers/texture_layer_client.h"
 #include "third_party/WebKit/public/platform/WebExternalTextureLayer.h"
 
 namespace blink {
 class WebExternalTextureLayerClient;
 struct WebFloatRect;
 struct WebExternalTextureMailbox;
 }
 
@@ skipping 20 matching lines @@
   blink::WebLayer* layer() override;
   void clearTexture() override;
   void setOpaque(bool opaque) override;
   void setPremultipliedAlpha(bool premultiplied) override;
   void setBlendBackgroundColor(bool blend) override;
   void setNearestNeighbor(bool nearest_neighbor) override;
 
   // TextureLayerClient implementation.
   bool PrepareTextureMailbox(
       cc::TextureMailbox* mailbox,
-      scoped_ptr<cc::SingleReleaseCallback>* release_callback,
+      std::unique_ptr<cc::SingleReleaseCallback>* release_callback,
       bool use_shared_memory) override;
 
  private:
   static void DidReleaseMailbox(
       base::WeakPtr<WebExternalTextureLayerImpl> layer,
       const blink::WebExternalTextureMailbox& mailbox,
       WebExternalBitmapImpl* bitmap,
       const gpu::SyncToken& sync_token,
       bool lost_resource);
 
   WebExternalBitmapImpl* AllocateBitmap();
 
   blink::WebExternalTextureLayerClient* client_;
-  scoped_ptr<WebLayerImpl> layer_;
-  std::vector<scoped_ptr<WebExternalBitmapImpl>> free_bitmaps_;
+  std::unique_ptr<WebLayerImpl> layer_;
+  std::vector<std::unique_ptr<WebExternalBitmapImpl>> free_bitmaps_;
 
   DISALLOW_COPY_AND_ASSIGN(WebExternalTextureLayerImpl);
 };
 
 }  // namespace cc_blink
 
 #endif  // CC_BLINK_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_