ozone: ClientPixmapManager passes VGEM fd from browser to renderer.

content/child/child_client_native_pixmap_factory_ozone.h

+// Copyright 2015 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 CONTENT_CHILD_CHILD_CLIENT_NATIVE_PIXMAP_FACTORY_OZONE_H_
+#define CONTENT_CHILD_CHILD_CLIENT_NATIVE_PIXMAP_FACTORY_OZONE_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/ozone/public/client_native_pixmap_factory.h"
+
+namespace content {
+
+class ChildClientNativePixmapFactory : public ui::ClientNativePixmapFactory {

[reveman, 2015/08/13 18:05:28]

Same here. This is just a large wrapper around calling:

ui::ClientNativePixmapFactory::GetInstance()->SetVgemFd(vgem_fd);

please follow the IOSurface token pattern instead.

[dshwang, 2015/08/14 12:40:03]

Done.

+ public:
+  static ChildClientNativePixmapFactory* GetInstance();
+  ~ChildClientNativePixmapFactory() override;
+
+  // ui::ClientNativePixmapFactory:
+  void Initialize(const base::FileDescriptor& virtual_device) override;
+  std::vector<Configuration> GetSupportedConfigurations() const override;
+  scoped_ptr<ui::ClientNativePixmap> ImportNativePixmap(
+      const base::FileDescriptor& handle,
+      const gfx::Size& size,
+      gfx::BufferFormat format,
+      gfx::BufferUsage usage) override;
+
+ private:
+  friend struct ChildClientNativePixmapFactoryTrait;
+  ChildClientNativePixmapFactory();
+
+  scoped_ptr<ui::ClientNativePixmapFactory> pixmap_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChildClientNativePixmapFactory);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_CHILD_CHILD_CLIENT_NATIVE_PIXMAP_FACTORY_OZONE_H_