Use EXT_robustness where available on GLES2 platforms to detect and respond to resets of the graphi…

ui/gl/gl_context_glx.cc

 // Copyright (c) 2012 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.
 
 extern "C" {
 #include <X11/Xlib.h>
 }
 
 #include "ui/gl/gl_context_glx.h"
 
@@ skipping 226 matching lines @@
 std::string GLContextGLX::GetExtensions() {
   DCHECK(IsCurrent(NULL));
   const char* extensions = GLSurfaceGLX::GetGLXExtensions();
   if (extensions) {
     return GLContext::GetExtensions() + " " + extensions;
   }
 
   return GLContext::GetExtensions();
 }
 
-bool GLContextGLX::WasAllocatedUsingARBRobustness() {
+bool GLContextGLX::WasAllocatedUsingRobustnessExtension() {
   return GLSurfaceGLX::IsCreateContextRobustnessSupported();
 }
 
 GLContextGLX::~GLContextGLX() {
   Destroy();
 }
 
 }  // namespace gfx