Revert r118525 / Re-land r118240 - the build failure was a flake.

gpu/command_buffer/client/gles2_c_lib_export.h

Index: gpu/command_buffer/client/gles2_c_lib_export.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_export.h b/gpu/command_buffer/client/gles2_c_lib_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..bccad52ce818c20970c32707ae4b2d03aa139cf4
--- /dev/null
+++ b/gpu/command_buffer/client/gles2_c_lib_export.h
@@ -0,0 +1,26 @@
+// 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_COMMAND_BUFFER_CLIENT_GLES2_C_LIB_EXPORT_H_
+#define GPU_COMMAND_BUFFER_CLIENT_GLES2_C_LIB_EXPORT_H_
+#pragma once
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(GLES2_C_LIB_IMPLEMENTATION)
+#define GLES2_C_LIB_EXPORT __declspec(dllexport)
+#else
+#define GLES2_C_LIB_EXPORT __declspec(dllimport)
+#endif  // defined(GLES2_C_LIB_IMPLEMENTATION)
+
+#else // defined(WIN32)
+#define GLES2_C_LIB_EXPORT __attribute__((visibility("default")))
+#endif
+
+#else // defined(COMPONENT_BUILD)
+#define GLES2_C_LIB_EXPORT
+#endif
+
+#endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_C_LIB_EXPORT_H_