Enable supervised user creation by default again.

Bug: 736035
Change-Id: I03821f26deb3b274a0e944b6c8537b26d18f9b2b
Reviewed-on: https://chromium-review.googlesource.com/660259Reviewed-by: Marc Treib <treib@chromium.org>
Commit-Queue: Bernhard Bauer <bauerb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#501241}

chrome/common/chrome_features.cc

@@ -420,7 +420,7 @@ const base::Feature kStaggeredBackgroundTabOpeningExperiment{
 // Enables or disables the creation of (legacy) supervised users. Does not
 // affect existing supervised users.
 const base::Feature kSupervisedUserCreation{"SupervisedUserCreation",
-                                            base::FEATURE_DISABLED_BY_DEFAULT};
+                                            base::FEATURE_ENABLED_BY_DEFAULT};
 
 #if defined(OS_CHROMEOS)
 // Enables or disables chrome://sys-internals.