Decouple browser-specific GPU IPC messages from GPU service IPCs

content/common/gpu/buffer_presented_params_mac.cc

Index: content/common/gpu/buffer_presented_params_mac.cc
diff --git a/content/common/gpu/buffer_presented_params_mac.cc b/content/common/gpu/buffer_presented_params_mac.cc
new file mode 100644
index 0000000000000000000000000000000000000000..acbb973cf685f8e4a25fa134698922c4d179bef4
--- /dev/null
+++ b/content/common/gpu/buffer_presented_params_mac.cc
@@ -0,0 +1,13 @@
+// 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.
+
+#include "content/common/gpu/buffer_presented_params_mac.h"
+
+namespace content {
+
+BufferPresentedParams::BufferPresentedParams() : surface_id(0) {}
+
+BufferPresentedParams::~BufferPresentedParams() {}
+
+}  // namespace content