GN: Build nacl_helper_nonsfi unit tests

The DoSocketpair function in nonsfi_sandbox_unittest.cc is unused
which causes a build error due to -Wunused-function which is set by
default in GN hence removing the function.

BUG=564877

Review URL: https://codereview.chromium.org/1497543006

Cr-Commit-Position: refs/heads/master@{#365836}

1 files changed, 1 insertions, 0 deletions

diff --git a/BUILD.gn b/BUILD.gn
index a5cccf1..534bf9c 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -475,6 +475,7 @@ group("both_gn_and_gyp") {
         # TODO(dpranke): Figure out what platforms should actually have this.
         deps += [
           "//components/nacl/loader:helper_nonsfi",
+          "//components/nacl/loader:helper_nonsfi_unittests",
           "//components/nacl/loader:nacl_helper",
         ]
       }