Revert of Refactor content/common/gpu into gpu/ipc/service

gpu/ipc/service/x_util.h

Index: gpu/ipc/service/x_util.h
diff --git a/gpu/ipc/service/x_util.h b/gpu/ipc/service/x_util.h
deleted file mode 100644
index 8a853b9f49aedad862428ca714154815e33d6dc9..0000000000000000000000000000000000000000
--- a/gpu/ipc/service/x_util.h
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright (c) 2012 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.
-
-#ifndef GPU_IPC_SERVICE_X_UTIL_H_
-#define GPU_IPC_SERVICE_X_UTIL_H_
-
-// Some X-Windows specific stuff. This can be included on any platform, and will
-// be a NOP on non-Linux ones.
-
-#include "build/build_config.h"
-#include "gpu/ipc/service/gpu_config.h"
-
-#if defined(USE_X11)
-
-namespace gpu {
-
-// Forward declares ------------------------------------------------------------
-//
-// X Windows headers do a lot of evil stuff, like "#define Status int" which
-// will cause many problems when combined with our other header files (like
-// ones that define a class local enum called "Status."
-//
-// These definitions are not Kosher, but allow us to remove this dependency and
-// actually compile X at all.
-
-typedef unsigned long XID;
-
-extern "C" {
-
-typedef struct _XDisplay Display;
-typedef struct __GLXcontextRec *GLXContext;
-
-}  // extern "C"
-
-}  // namespace gpu
-
-#endif  // USE_X11
-
-#endif  // GPU_IPC_SERVICE_X_UTIL_H_