Display GL window system binding information in about:gpu

content/public/common/gpu_info.h

Index: content/public/common/gpu_info.h
diff --git a/content/public/common/gpu_info.h b/content/public/common/gpu_info.h
index 2f0c11e0ba098be79e955a8753e82b7f717b0709..89ac459bfb12ef3d8d1accb369fcfb01a441b5d4 100644
--- a/content/public/common/gpu_info.h
+++ b/content/public/common/gpu_info.h
@@ -104,6 +104,15 @@ struct CONTENT_EXPORT GPUInfo {
   // The GL_EXTENSIONS string.  "" if we are not using OpenGL.
   std::string gl_extensions;
 
+  // GL window system binding vendor.  "" if not available.
+  std::string gl_ws_vendor;
+
+  // GL window system binding version.  "" if not available.
+  std::string gl_ws_version;
+
+  // GL window system binding extensions.  "" if not available.
+  std::string gl_ws_extensions;
+
   // The device semantics, i.e. whether the Vista and Windows 7 specific
   // semantics are available.
   bool can_lose_context;