Add a factory and defines for native Linux surfaces.

ui/gl/gl_bindings.h

Index: ui/gl/gl_bindings.h
diff --git a/ui/gl/gl_bindings.h b/ui/gl/gl_bindings.h
index e7bd8086dc4c5d57340a0bdfcc9719660110f40e..3f2221bc47b5739400f8eb6aaf7e534e6eb45b6b 100644
--- a/ui/gl/gl_bindings.h
+++ b/ui/gl/gl_bindings.h
@@ -206,6 +206,8 @@ typedef uint64 EGLuint64CHROMIUM;
 #elif defined(USE_X11)
 #include "gl_bindings_autogen_egl.h"
 #include "gl_bindings_autogen_glx.h"
+#elif defined(USE_NATIVE_SURFACE_LINUX)
+#include "gl_bindings_autogen_egl.h"
 #elif defined(OS_ANDROID)
 #include "gl_bindings_autogen_egl.h"
 #endif
@@ -231,6 +233,11 @@ GL_EXPORT extern GLXApi* g_current_glx_context;
 GL_EXPORT extern DriverEGL g_driver_egl;
 GL_EXPORT extern DriverGLX g_driver_glx;
 
+#elif defined(USE_NATIVE_SURFACE_LINUX)
+
+GL_EXPORT extern EGLApi* g_current_egl_context;
+GL_EXPORT extern DriverEGL g_driver_egl;
+
 #elif defined(OS_ANDROID)
 
 GL_EXPORT extern EGLApi* g_current_egl_context;