Enable Crostini WebUI Installer by Default

Bug: 929571
Change-Id: Ia0a3153e15ed6ec773084a3431ffdffe5566e76a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1871714
Auto-Submit: Jason Lin <lxj@google.com>
Reviewed-by: Timothy Loh <timloh@chromium.org>
Commit-Queue: Jason Lin <lxj@google.com>
Cr-Commit-Position: refs/heads/master@{#709350}

chromeos/constants/chromeos_features.cc

@@ -61,7 +61,7 @@ const base::Feature kCrostiniUsbAllowUnsupported{
 
 // Enables or disables the new WebUI Crostini installer.
 const base::Feature kCrostiniWebUIInstaller{"CrostiniWebUIInstaller",
-                                            base::FEATURE_DISABLED_BY_DEFAULT};
+                                            base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Enables or disables using Cryptauth's GetDevicesActivityStatus API.
 const base::Feature kCryptAuthV2DeviceActivityStatus{