| Index: sandbox/linux/sandbox_linux.gypi | 
| diff --git a/sandbox/linux/sandbox_linux.gypi b/sandbox/linux/sandbox_linux.gypi | 
| index 1958258144d0a5ec406389158b5ba341b7fed137..d408e4a847042658578c54ef0f326c29a57ee43e 100644 | 
| --- a/sandbox/linux/sandbox_linux.gypi | 
| +++ b/sandbox/linux/sandbox_linux.gypi | 
| @@ -4,6 +4,7 @@ | 
|  | 
| { | 
| 'variables': { | 
| +    'use_vgem_map%': 0, | 
| 'conditions': [ | 
| ['OS=="linux"', { | 
| 'compile_suid_client': 1, | 
| @@ -201,6 +202,11 @@ | 
| 'include_dirs': [ | 
| '../..', | 
| ], | 
| +      'conditions': [ | 
| +        ['use_vgem_map==1', { | 
| +          'defines': ['USE_VGEM_MAP'], | 
| +        }], | 
| +      ], | 
| }, | 
| { | 
| # The setuid sandbox, for Linux | 
|  |