Fix gyp/gcc build. Gcc complains about an unused variable. Adjust a #include to work with the gyp build. BUG=none Change-Id: Ia94abf70f3a9bb7952eb53d1f0a3cfcca5df0836 Reviewed-on: https://chromium-review.googlesource.com/867655 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Frank Henigman <fjhenigman@chromium.org>