gpu: Move native memory buffer configuration into //gpu

gpu/ipc/host/gpu_switches.cc

Index: gpu/ipc/host/gpu_switches.cc
diff --git a/gpu/ipc/host/gpu_switches.cc b/gpu/ipc/host/gpu_switches.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1834e3c64b8cbddc2fbebd5ede99479c701fa3d3
--- /dev/null
+++ b/gpu/ipc/host/gpu_switches.cc
@@ -0,0 +1,16 @@
+// 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 "gpu/ipc/host/gpu_switches.h"
+
+namespace switches {
+
+// Enable native GPU memory buffer support when available.
+const char kEnableNativeGpuMemoryBuffers[] = "enable-native-gpu-memory-buffers";
+
+// Disables native GPU memory buffer support.
+const char kDisableNativeGpuMemoryBuffers[] =
+    "disable-native-gpu-memory-buffers";
+
+}  // namespace switches