Make Mac swap code like other platforms

content/common/accelerated_surface_buffers_swapped_params_mac.h

Index: content/common/accelerated_surface_buffers_swapped_params_mac.h
diff --git a/content/common/accelerated_surface_buffers_swapped_params_mac.h b/content/common/accelerated_surface_buffers_swapped_params_mac.h
deleted file mode 100644
index 2c35651ec048fc729c953faa39f21ae22ef5fa05..0000000000000000000000000000000000000000
--- a/content/common/accelerated_surface_buffers_swapped_params_mac.h
+++ /dev/null
@@ -1,31 +0,0 @@
-// 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_ACCELERATED_SURFACE_BUFFERS_SWAPPED_PARAMS_MAC_H_
-#define CONTENT_COMMON_ACCELERATED_SURFACE_BUFFERS_SWAPPED_PARAMS_MAC_H_
-
-#include "gpu/ipc/common/surface_handle.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();
-
-  gpu::SurfaceHandle surface_handle;
-  CAContextID ca_context_id;
-  bool fullscreen_low_power_ca_context_valid;
-  CAContextID fullscreen_low_power_ca_context_id;
-  gfx::ScopedRefCountedIOSurfaceMachPort io_surface;
-  gfx::Size size;
-  float scale_factor;
-  std::vector<ui::LatencyInfo> latency_info;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_ACCELERATED_SURFACE_BUFFERS_SWAPPED_PARAMS_MAC_H_