Display GL window system binding information in about:gpu

ui/gl/gl_wgl_api_implementation.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.
 
 #include "ui/gl/gl_wgl_api_implementation.h"
+#include "ui/gl/gl_implementation.h"
 
 namespace gfx {
 
 RealWGLApi* g_real_wgl;
 
 void InitializeGLBindingsWGL() {
   g_driver_wgl.InitializeBindings();
   if (!g_real_wgl) {
     g_real_wgl = new RealWGLApi();
   }
@@ skipping 41 matching lines @@
 RealWGLApi::~RealWGLApi() {
 }
 
 void RealWGLApi::Initialize(DriverWGL* driver) {
   InitializeBase(driver);
 }
 
 TraceWGLApi::~TraceWGLApi() {
 }
 
+bool GetGLWindowSystemBindingInfoWGL(GLWindowSystemBindingInfo* info) {
+  const char* extensions = wglGetExtensionsStringEXT();
+  *info = GLWindowSystemBindingInfo();
+  if (extensions)
+    info->extensions = extensions;
+  return true;
+}
+
 }  // namespace gfx