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

gpu/ipc/host/gpu_switches.h

Index: gpu/ipc/host/gpu_switches.h
diff --git a/gpu/ipc/host/gpu_switches.h b/gpu/ipc/host/gpu_switches.h
deleted file mode 100644
index 7f205af4f4ae4342b3a25f21a40d4a7d614f1713..0000000000000000000000000000000000000000
--- a/gpu/ipc/host/gpu_switches.h
+++ /dev/null
@@ -1,17 +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.
-
-// Defines all the command-line switches used by gpu/ipc/host
-
-#ifndef GPU_IPC_HOST_GPU_SWITCHES_H_
-#define GPU_IPC_HOST_GPU_SWITCHES_H_
-
-namespace switches {
-
-extern const char kEnableNativeGpuMemoryBuffers[];
-extern const char kDisableNativeGpuMemoryBuffers[];
-
-}  // namespace switches
-
-#endif  // GPU_IPC_HOST_GPU_SWITCHES_H_