| Index: build/common.gypi | 
| diff --git a/build/common.gypi b/build/common.gypi | 
| index bdd49006875f580c53a7266484954d83982bdd67..55f363c4ea5885bd57decc2c550c82b2798e0902 100644 | 
| --- a/build/common.gypi | 
| +++ b/build/common.gypi | 
| @@ -2993,6 +2993,11 @@ | 
| '<(android_src)/frameworks/wilhelm/include', | 
| ], | 
| 'cflags': [ | 
| +                  # Android predefines this as 1; undefine it here so Chromium | 
| +                  # can redefine it later to be 2 for chromium code and unset | 
| +                  # for third party code. This works because cflags are added | 
| +                  # before defines. | 
| +                  '-U_FORTIFY_SOURCE', | 
| # Chromium builds its own (non-third-party) code with | 
| # -Werror to make all warnings into errors. However, Android | 
| # enables warnings that Chromium doesn't, so some of these | 
|  |