Move GL one-off initialization code.

ui/gl/init/gl_factory.cc

Index: ui/gl/init/gl_factory.cc
diff --git a/ui/gl/init/gl_factory.cc b/ui/gl/init/gl_factory.cc
index a3ae4c96b6744bb54db71c4413097607ed6f60a5..e26984afc60db1f39e11dc30d43ad9581d09048d 100644
--- a/ui/gl/init/gl_factory.cc
+++ b/ui/gl/init/gl_factory.cc
@@ -17,10 +17,6 @@ namespace init {
 // methods should be removed from GLSurface and GLContext. This file can then
 // be deleted.
 
-bool InitializeGLOneOff() {
-  return GLSurface::InitializeOneOff();
-}
-
 scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group,
                                          GLSurface* compatible_surface,
                                          GpuPreference gpu_preference) {