gpu: merge gpu/ipc/host/gpu_memory_buffer_support.cc to gpu/ipc/common/

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
deleted file mode 100644
index 1834e3c64b8cbddc2fbebd5ede99479c701fa3d3..0000000000000000000000000000000000000000
--- a/gpu/ipc/host/gpu_switches.cc
+++ /dev/null
@@ -1,16 +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.
-
-#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