Index: build/config/features.gni |
diff --git a/build/config/features.gni b/build/config/features.gni |
index 4d01a87b7db09e3b2128af101b2bf01bdfd5d3d3..ee61da5dacba6b6788629c78ad2db92c51fd8e0d 100644 |
--- a/build/config/features.gni |
+++ b/build/config/features.gni |
@@ -178,3 +178,6 @@ use_gconf = is_linux && !is_chromeos |
# For official GYP builds, this flag is set, it will likely need to be |
# parameterized in the future for a similar use. |
enable_hangout_services_extension = false |
+ |
+# Whether to back up data before sync. |
+enable_pre_sync_backup = is_win || is_mac || (is_linux && !is_chromeos) |