X11: Use better visuals for OpenGL

gpu/config/gpu_info.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 GPU_CONFIG_GPU_INFO_H_
 #define GPU_CONFIG_GPU_INFO_H_
 
 // Provides access to the GPU information for the system
 // on which chrome is currently running.
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/time/time.h"
 #include "base/version.h"
 #include "build/build_config.h"
 #include "gpu/config/dx_diag_node.h"
 #include "gpu/gpu_export.h"
 #include "ui/gfx/geometry/size.h"
 
+#if defined(USE_X11) && !defined(OS_CHROMEOS)
+typedef unsigned long VisualID;
+#endif
+
 namespace gpu {
 
 // Result for the various Collect*Info* functions below.
 // Fatal failures are for cases where we can't create a context at all or
 // something, making the use of the GPU impossible.
 // Non-fatal failures are for cases where we could gather most info, but maybe
 // some is missing (e.g. unable to parse a version string or to detect the exact
 // model).
 enum CollectInfoResult {
   kCollectInfoNone = 0,
@@ skipping 196 matching lines @@
 
   // The information returned by the DirectX Diagnostics Tool.
   DxDiagNode dx_diagnostics;
 #endif
 
   VideoDecodeAcceleratorCapabilities video_decode_accelerator_capabilities;
   VideoEncodeAcceleratorSupportedProfiles
       video_encode_accelerator_supported_profiles;
   bool jpeg_decode_accelerator_supported;
 
+#if defined(USE_X11) && !defined(OS_CHROMEOS)
+  VisualID system_visual;
+  VisualID rgba_visual;
+#endif
+
   // Note: when adding new members, please remember to update EnumerateFields
   // in gpu_info.cc.
 
   // In conjunction with EnumerateFields, this allows the embedder to
   // enumerate the values in this structure without having to embed
   // references to its specific member variables. This simplifies the
   // addition of new fields to this type.
   class Enumerator {
    public:
     // The following methods apply to the "current" object. Initially this
@@ skipping 30 matching lines @@
     virtual ~Enumerator() {}
   };
 
   // Outputs the fields in this structure to the provided enumerator.
   void EnumerateFields(Enumerator* enumerator) const;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_CONFIG_GPU_INFO_H_