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

gpu/command_buffer/client/gles2_lib.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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.
 
-// These functions emluate GLES2 over command buffers.
+// These functions emulate GLES2 over command buffers.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_LIB_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_LIB_H_
 
+#include "gpu/command_buffer/client/gles2_c_lib_export.h"
+
 #include "../client/gles2_implementation.h"
 
 namespace gles2 {
 
 // Initialize the GLES2 library.
-void Initialize();
+GLES2_C_LIB_EXPORT void Initialize();
 
 // Terminate the GLES2 library.
-void Terminate();
+GLES2_C_LIB_EXPORT void Terminate();
 
 // Get the current GL context.
-gpu::gles2::GLES2Implementation* GetGLContext();
+GLES2_C_LIB_EXPORT gpu::gles2::GLES2Implementation* GetGLContext();
 
 // Set the current GL context.
-void SetGLContext(gpu::gles2::GLES2Implementation* impl);
+GLES2_C_LIB_EXPORT void SetGLContext(gpu::gles2::GLES2Implementation* impl);
 
 }  // namespace gles2
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_LIB_H_