Welcome page changes for Windows 10 and over.

chrome/installer/util/master_preferences.h

Index: chrome/installer/util/master_preferences.h
diff --git a/chrome/installer/util/master_preferences.h b/chrome/installer/util/master_preferences.h
index 2b8c914399bd71804b12b680f1cd1242a06a50db..3ee1f127960b0fb9ae9f04441a34449d6db76051 100644
--- a/chrome/installer/util/master_preferences.h
+++ b/chrome/installer/util/master_preferences.h
@@ -52,7 +52,8 @@ const char kDefaultMasterPrefs[] = "master_preferences";
 //      "make_chrome_default_for_user": true,
 //      "require_eula": true,
 //      "system_level": false,
-//      "verbose_logging": true
+//      "verbose_logging": true,
+//      "welcome_page_on_os_upgrade_enabled": false

[gab, 2015/07/09 18:05:13]

If anyone re-uses this "prototype" without giving it much thought, we should
suggest "true" as a default value here I think.

[grt (UTC plus 2), 2015/07/10 15:43:25]

I chose to show the setting that would change Chrome's behavior. Suggesting
"true" is the same as not including the preference at all, which isn't useful.

 //   },
 //   "browser": {
 //      "show_home_button": true