1# This database migration does nothing. It works as a replacement for a reverted 2# migrate CL: https://chromium-review.googlesource.com/#/c/253760 3# For routine database migration revert, a new CL should be added to add 4# DOWN_SQL of the reverted migration as UP_SQL. However, in that CL's case, 5# DOWN_SQL is not available. 6# The dummy migration avoid the requirement to manually downgrade migrate_info 7# in each database. 8 9UP_SQL = """ 10""" 11 12DOWN_SQL=""" 13""" 14 15