| Index: build/build_config.h
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| diff --git a/build/build_config.h b/build/build_config.h
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| index d8cea8222aeab81d07877d63a67c8017751e8186..da7a37fb9ca04ac0b184e98b4e1c6814e5a3b25c 100644
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| --- a/build/build_config.h
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| +++ b/build/build_config.h
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| @@ -36,6 +36,12 @@
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|  #error Please add support for your platform in build/build_config.h
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|  #endif
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|  
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| +// A flag derived from the above flags, used to cover GTK code in
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| +// both TOOLKIT_GTK and TOOLKIT_VIEWS.
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| +#if defined(TOOLKIT_GTK) || (defined(TOOLKIT_VIEWS) && !defined(OS_WIN))
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| +#define TOOLKIT_USES_GTK 1
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| +#endif
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| +
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|  #if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_OPENBSD)
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|  #define USE_NSS 1  // Use NSS for crypto.
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|  #define USE_X11 1  // Use X for graphics.
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| 
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