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

ui/gfx/gl/gl_surface_glx.h

Index: ui/gfx/gl/gl_surface_glx.h
===================================================================
--- ui/gfx/gl/gl_surface_glx.h	(revision 96560)
+++ ui/gfx/gl/gl_surface_glx.h	(working copy)
@@ -8,13 +8,14 @@
 #include "ui/gfx/gl/gl_surface.h"
 
 #include "ui/base/x/x11_util.h"
+#include "ui/gfx/gl/gl_export.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 
 namespace gfx {
 
 // Base class for GLX surfaces.
-class GLSurfaceGLX : public GLSurface {
+class GL_EXPORT GLSurfaceGLX : public GLSurface {
  public:
   GLSurfaceGLX();
   virtual ~GLSurfaceGLX();