Decouple browser-specific GPU IPC messages from GPU service IPCs

content/common/gpu/accelerated_surface_buffers_swapped_params_mac.cc

Index: content/common/gpu/accelerated_surface_buffers_swapped_params_mac.cc
diff --git a/content/common/gpu/accelerated_surface_buffers_swapped_params_mac.cc b/content/common/gpu/accelerated_surface_buffers_swapped_params_mac.cc
new file mode 100644
index 0000000000000000000000000000000000000000..411d7ce1a3a17c5faea5d71d721a7721436611a3
--- /dev/null
+++ b/content/common/gpu/accelerated_surface_buffers_swapped_params_mac.cc
@@ -0,0 +1,19 @@
+// 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/accelerated_surface_buffers_swapped_params_mac.h"
+
+#include "ipc/ipc_message.h"
+
+namespace content {
+AcceleratedSurfaceBuffersSwappedParams::AcceleratedSurfaceBuffersSwappedParams()
+    : surface_id(0),
+      ca_context_id(0),
+      route_id(MSG_ROUTING_NONE),
+      scale_factor(1.f) {}
+
+AcceleratedSurfaceBuffersSwappedParams::
+    ~AcceleratedSurfaceBuffersSwappedParams() {}
+
+}  // namespace content