UI flow rework for device reset options. Reset made available from gaia screen. Tests adapted.

chrome/browser/chromeos/reset/metrics.h

Index: chrome/browser/chromeos/reset/metrics.h
diff --git a/chrome/browser/chromeos/reset/metrics.h b/chrome/browser/chromeos/reset/metrics.h
index 44f848d651d4cdd28179acbdd5636195d858a148..e998cc4788c71c5950281fd053a6c82bc0066c2d 100644
--- a/chrome/browser/chromeos/reset/metrics.h
+++ b/chrome/browser/chromeos/reset/metrics.h
@@ -19,12 +19,15 @@ enum DialogViewType {
   // Invoked with shortcut. Confirming form for powerwash and rollback.
   DIALOG_SHORTCUT_CONFIRMING_POWERWASH_AND_ROLLBACK,
 
-  // Invoked with shortcut. Offering form, rollback checkbox unavailable.
+  // Invoked with shortcut. Offering form, rollback option set.
   DIALOG_SHORTCUT_OFFERING_ROLLBACK_UNAVAILABLE,
 
-  // Invoked with shortcut. Offering form, rollback checkbox available.
+  // Invoked with shortcut. Offering form, rollback option not set.
   DIALOG_SHORTCUT_OFFERING_ROLLBACK_AVAILABLE,
 
+  // Invoked with shortcut. Requesting restart form.
+  DIALOG_SHORTCUT_RESTART_REQUIRED,
+
   // Must be last enum element.
   DIALOG_VIEW_TYPE_SIZE
 };