Revert 102978 - Change X11 error handler override to allow easy X11 error checking.

ui/gfx/gl/gl_context_glx.cc

Index: ui/gfx/gl/gl_context_glx.cc
===================================================================
--- ui/gfx/gl/gl_context_glx.cc	(revision 102984)
+++ ui/gfx/gl/gl_context_glx.cc	(working copy)
@@ -11,7 +11,6 @@
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/mesa/MesaLib/include/GL/osmesa.h"
-#include "ui/base/x/x11_util_internal.h"
 #include "ui/gfx/gl/gl_bindings.h"
 #include "ui/gfx/gl/gl_implementation.h"
 #include "ui/gfx/gl/gl_surface_glx.h"
@@ -89,8 +88,6 @@
     }
   }
 
-  ui::CheckForReportedX11Error();
-
   if (!context_) {
     // The means by which the context is created depends on whether
     // the drawable type works reliably with GLX 1.3. If it does not
@@ -116,8 +113,6 @@
         return false;
       }
 
-      ui::CheckForReportedX11Error();
-
       XVisualInfo visual_info_template;
       visual_info_template.visualid = XVisualIDFromVisual(attributes.visual);
 
@@ -141,7 +136,6 @@
           True);
     }
   }
-  ui::CheckForReportedX11Error();
 
   if (!context_) {
     LOG(ERROR) << "Couldn't create GL context.";