Validate that VAO functions are present in ES2 interfaces and add bit to caps indicating VAO suppor…

src/gpu/gl/GrGLInterface.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "gl/GrGLInterface.h"
 #include "gl/GrGLExtensions.h"
@@ skipping 340 matching lines @@
 
     if (kDesktop_GrGLBinding == binding) {
         if (glVer >= GR_GL_VER(3, 0) || extensions.has("GL_ARB_vertex_array_object")) {
             if (NULL == fBindVertexArray ||
                 NULL == fDeleteVertexArrays ||
                 NULL == fGenVertexArrays) {
                 return false;
             }
         }
     } else {
-#if 0 // Remove this #if once Chromium interfaces set these pointers
         if (extensions.has("GL_OES_vertex_array_object")) {
             if (NULL == fBindVertexArray ||
                 NULL == fDeleteVertexArrays ||
                 NULL == fGenVertexArrays) {
                 return false;
             }
         }
-#endif
     }
 
     return true;
 }