Add gl.dll, compositor.dll, and surface.dll.

ui/gfx/gl/gl_switches.h

Index: ui/gfx/gl/gl_switches.h
===================================================================
--- ui/gfx/gl/gl_switches.h	(revision 96560)
+++ ui/gfx/gl/gl_switches.h	(working copy)
@@ -8,23 +8,25 @@
 #define UI_GFX_GL_GL_SWITCHES_H_
 #pragma once
 
+#include "ui/gfx/gl/gl_export.h"
+
 namespace gfx {
 
 // The GL implementation names that can be passed to --use-gl.
-extern const char kGLImplementationDesktopName[];
-extern const char kGLImplementationOSMesaName[];
-extern const char kGLImplementationEGLName[];
+GL_EXPORT extern const char kGLImplementationDesktopName[];
+GL_EXPORT extern const char kGLImplementationOSMesaName[];
+GL_EXPORT extern const char kGLImplementationEGLName[];
 extern const char kGLImplementationMockName[];
 
 }  // namespace gfx
 
 namespace switches {
 
-extern const char kDisableGpuVsync[];
-extern const char kEnableGPUServiceLogging[];
-extern const char kEnableGPUClientLogging[];
-extern const char kGpuNoContextLost[];
-extern const char kUseGL[];
+GL_EXPORT extern const char kDisableGpuVsync[];
+GL_EXPORT extern const char kEnableGPUServiceLogging[];
+GL_EXPORT extern const char kEnableGPUClientLogging[];
+GL_EXPORT extern const char kGpuNoContextLost[];
+GL_EXPORT extern const char kUseGL[];
 
 }  // namespace switches