Mojom structs for copy requests / results should map to unique_ptr

cc/output/copy_output_request.h

 // Copyright 2013 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_COPY_OUTPUT_REQUEST_H_
 #define CC_OUTPUT_COPY_OUTPUT_REQUEST_H_
 
 #include <memory>
 
 #include "base/callback.h"
@@ skipping 29 matching lines @@
     return base::WrapUnique(new CopyOutputRequest(false, result_callback));
   }
   static std::unique_ptr<CopyOutputRequest> CreateBitmapRequest(
       const CopyOutputRequestCallback& result_callback) {
     return base::WrapUnique(new CopyOutputRequest(true, result_callback));
   }
   static std::unique_ptr<CopyOutputRequest> CreateRelayRequest(
       const CopyOutputRequest& original_request,
       const CopyOutputRequestCallback& result_callback);
 
-  CopyOutputRequest();
-
   ~CopyOutputRequest();
 
   bool IsEmpty() const { return result_callback_.is_null(); }
 
   // Optionally specify the source of this copy request. If set when this copy
   // request is submitted to a layer, a prior uncommitted copy request from the
   // same source will be aborted.
   void set_source(const base::UnguessableToken& source) { source_ = source; }
   bool has_source() const { return source_.has_value(); }
   const base::UnguessableToken& source() const { return *source_; }
@@ skipping 18 matching lines @@
   void SendBitmapResult(std::unique_ptr<SkBitmap> bitmap);
   void SendTextureResult(
       const gfx::Size& size,
       const TextureMailbox& texture_mailbox,
       std::unique_ptr<SingleReleaseCallback> release_callback);
 
   void SendResult(std::unique_ptr<CopyOutputResult> result);
 
  private:
   friend struct mojo::StructTraits<mojom::CopyOutputRequestDataView,
-                                   CopyOutputRequest>;
+                                   std::unique_ptr<CopyOutputRequest>>;
 
+  CopyOutputRequest();
   CopyOutputRequest(bool force_bitmap_result,
                     const CopyOutputRequestCallback& result_callback);
 
   base::Optional<base::UnguessableToken> source_;
   bool force_bitmap_result_;
   base::Optional<gfx::Rect> area_;
   base::Optional<TextureMailbox> texture_mailbox_;
   CopyOutputRequestCallback result_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(CopyOutputRequest);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_COPY_OUTPUT_REQUEST_H_