Decouple browser-specific GPU IPC messages from GPU service IPCs

content/common/gpu/accelerated_surface_buffers_swapped_params_mac.h

+// Copyright 2016 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_COMMON_GPU_ACCELERATED_SURFACE_BUFFERS_SWAPPED_PARAMS_MAC_H_
+#define CONTENT_COMMON_GPU_ACCELERATED_SURFACE_BUFFERS_SWAPPED_PARAMS_MAC_H_
+
+#include "ui/base/cocoa/remote_layer_api.h"
+#include "ui/events/latency_info.h"
+#include "ui/gfx/mac/io_surface.h"
+
+namespace content {
+
+struct AcceleratedSurfaceBuffersSwappedParams {
+  AcceleratedSurfaceBuffersSwappedParams();
+  ~AcceleratedSurfaceBuffersSwappedParams();
+
+  int32_t surface_id;
+  CAContextID ca_context_id;
+  gfx::ScopedRefCountedIOSurfaceMachPort io_surface;
+  gfx::Size size;
+  float scale_factor;
+  std::vector<ui::LatencyInfo> latency_info;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_ACCELERATED_SURFACE_BUFFERS_SWAPPED_PARAMS_MAC_H_