tree 1c1da604a03d5e65fac92bafe35f29b7161995af
parent 02dc9b34638a602c21d98b9bd247b77d289b0f4e
author brettw <brettw@chromium.org> 1470889998 -0700
committer Commit bot <commit-bot@chromium.org> 1470892078 +0000

GN: Mark all variables used when defining a template.

This exempts file-scoped values from used variable checking when a template is
defined. This avoids spurious unused variable warnings at the expense of
potentially missing unused variables in some cases. These warnings have tripped
people up multiple times.

The potential for missing actual unused values is pretty small, however,
because most templates are defined in .gni files that don't have used variable
checking (since they could be included into many different contexts).

BUG=395883

Review-Url: https://codereview.chromium.org/2233893005
Cr-Original-Commit-Position: refs/heads/master@{#411265}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: ba1286d0e720ef723192e4a2af7e99d0516495d6