Test X11 header pollution

ui/gl/gl_bindings.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_BINDINGS_H_
 #define UI_GL_GL_BINDINGS_H_
 
 // Includes the platform independent and platform dependent GL headers.
 // Only include this in cc files. It pulls in system headers, including
 // the X11 headers on linux, which define all kinds of macros that are
 // liable to cause conflicts.
 
+// GL headers may include inttypes.h and so we need to ensure that
+// __STDC_FORMAT_MACROS is defined in order for //base/format_macros.h to
+// function correctly. See comment and #error message in //base/format_macros.h
+// for details.
+#if defined(OS_POSIX) && !defined(__STDC_FORMAT_MACROS)
+#define __STDC_FORMAT_MACROS
+#endif
+
 #include <GL/gl.h>
 #include <GL/glext.h>
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 #include <stdint.h>
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/threading/thread_local.h"
@@ skipping 464 matching lines @@
 #endif
 
 #if defined(USE_GLX)
 GL_EXPORT extern GLXApi* g_current_glx_context;
 GL_EXPORT extern DriverGLX g_driver_glx;
 #endif
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_BINDINGS_H_