Re-revert "Re-land r207660 - "Upgrading Mesa to 9.0.3."""

third_party/mesa/generate_git_sha1.py

-import os
-import os.path
-import sys
-
-output = sys.argv[1]
-parentdir = os.path.abspath(os.path.join(output, os.pardir))
-
-#The original body of this file is generated by this bash script:
-#
-#touch "${DIR}/git_sha1.h.tmp"
-#if test -d .git; then \
-#               if which git > /dev/null; then \
-#                   git log -n 1 --oneline | \
-#                       sed 's/^\([^ ]*\) .*/#define MESA_GIT_SHA1 "git-\1"/' \
-#                       > "${DIR}/git_sha1.h.tmp" ; \
-#               fi \
-#       fi
-#if ! cmp -s "${DIR}/git_sha1.h.tmp" "${DIR}/git_sha1.h"; then \
-#               mv "${DIR}/git_sha1.h.tmp" "${DIR}/git_sha1.h" ;\
-#       else \
-#               rm "${DIR}/git_sha1.h.tmp" ;\
-#       fi
-#
-#However, Chromium shouldn't depend on Bash, and this preprocessor macro isn't
-#neccessary in the first place
-
-if not os.path.isdir(parentdir):
-  os.makedirs(parentdir)
-
-with open(output, "w") as f:
-  pass