Implemented StructTraits for cc::TextureMailbox

cc/resources/texture_mailbox.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_RESOURCES_TEXTURE_MAILBOX_H_
 #define CC_RESOURCES_TEXTURE_MAILBOX_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
 
 #include "base/memory/shared_memory.h"
 #include "cc/base/cc_export.h"
 #include "gpu/command_buffer/common/mailbox_holder.h"
+#include "mojo/public/cpp/bindings/struct_traits.h"
 #include "ui/gfx/color_space.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
+
+namespace mojom {
+class TextureMailboxDataView;
+}
+
 class SharedBitmap;
 
 // TODO(skaslev, danakj) Rename this class more apropriately since now it
 // can hold a shared memory resource as well as a texture mailbox.
 class CC_EXPORT TextureMailbox {
  public:
   TextureMailbox();
   TextureMailbox(const TextureMailbox& other);
   explicit TextureMailbox(const gpu::MailboxHolder& mailbox_holder);
   TextureMailbox(const gpu::Mailbox& mailbox,
@@ skipping 56 matching lines @@
   void set_is_backed_by_surface_texture(bool value) {
     is_backed_by_surface_texture_ = value;
   }
 
   bool wants_promotion_hint() const { return wants_promotion_hint_; }
 
   void set_wants_promotion_hint(bool value) { wants_promotion_hint_ = value; }
 #endif
 
  private:
+  friend struct mojo::StructTraits<mojom::TextureMailboxDataView,
+                                   TextureMailbox>;
+
   gpu::MailboxHolder mailbox_holder_;
   SharedBitmap* shared_bitmap_;
   gfx::Size size_in_pixels_;
   bool is_overlay_candidate_;
 #if defined(OS_ANDROID)
   bool is_backed_by_surface_texture_;
   bool wants_promotion_hint_;
 #endif
   bool secure_output_only_;
   bool nearest_neighbor_;
   gfx::ColorSpace color_space_;
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TEXTURE_MAILBOX_H_