Blacklist GLX indirect rendering

ui/gl/gl_implementation.h

 // 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.
 
 #ifndef UI_GL_GL_IMPLEMENTATION_H_
 #define UI_GL_GL_IMPLEMENTATION_H_
 
 #include <string>
 #include <vector>
 
 #include "base/native_library.h"
 #include "build/build_config.h"
 #include "ui/gl/gl_export.h"
 #include "ui/gl/gl_switches.h"
 
 namespace gfx {
 
 class GLContext;
 
 // The GL implementation currently in use.
 enum GLImplementation {
   kGLImplementationNone,
   kGLImplementationDesktopGL,
   kGLImplementationOSMesaGL,
   kGLImplementationAppleGL,
   kGLImplementationEGLGLES2,
   kGLImplementationMockGL
 };
 
-struct GLWindowSystemBindingInfo {
+struct GL_EXPORT GLWindowSystemBindingInfo {
+  GLWindowSystemBindingInfo();
   std::string vendor;
   std::string version;
   std::string extensions;
+  bool direct_rendering;
 };
 
 void GetAllowedGLImplementations(std::vector<GLImplementation>* impls);
 
 #if defined(OS_WIN)
 typedef void* (WINAPI *GLGetProcAddressProc)(const char* name);
 #else
 typedef void* (*GLGetProcAddressProc)(const char* name);
 #endif
 
@@ skipping 63 matching lines @@
 // unsupported.
 void* GetGLProcAddress(const char* name);
 
 // Return information about the GL window system binding implementation (e.g.,
 // EGL, GLX, WGL). Returns true if the information was retrieved successfully.
 GL_EXPORT bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info);
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_IMPLEMENTATION_H_