gl_unittests: on a core profile, use VAOs

ui/gl/gl_helper.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GL_GL_HELPER_H_
 #define UI_GL_GL_HELPER_H_
 
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_export.h"
 
@@ skipping 16 matching lines @@
   // Attaches 2 shaders, links them to a program, and checks for errors.
   // Returns program, 0 on failure.
   static GLuint SetupProgram(GLuint vertex_shader, GLuint fragment_shader);
 
   // Sets up a vertex buffer containing 4 vertices that can be used to draw
   // a quad as a tri-strip.
   static GLuint SetupQuadVertexBuffer();
 
   // Draws a quad to the currently bound frame buffer.
   static void DrawQuad(GLuint vertex_buffer);
+
+  // When using the desktop core profile we have to bind a VAO before
+  // calling glVertexAttribPointer.
+  static bool ShouldTestsUseVAOs();
 };
 
 }  // namespace gl
 
 #endif  // UI_GL_GL_HELPER_H_