Refactor sync passphrase setup flow and fix passphrase tests

chrome/browser/sync/sync_ui_util.cc

Index: chrome/browser/sync/sync_ui_util.cc
diff --git a/chrome/browser/sync/sync_ui_util.cc b/chrome/browser/sync/sync_ui_util.cc
index cba3c7c3dd0ed46af57f317c64d5f8daca4aab5b..cac1680c938bc5d8a39777f7f1c6080bde31ce29 100644
--- a/chrome/browser/sync/sync_ui_util.cc
+++ b/chrome/browser/sync/sync_ui_util.cc
@@ -116,7 +116,9 @@ MessageType GetStatusInfo(ProfileSyncService* service,
       }
       result_type = PRE_SYNCED;
     } else if (service->observed_passphrase_required()) {
-      if (service->passphrase_required_for_decryption()) {
+      if (service->passphrase_required_reason() == sync_api::DECRYPTION ||
+          service->passphrase_required_reason() ==
+              sync_api::DECRYPTION_FAILED) {
         // NOT first machine.
         // Show a link ("needs attention"), but still indicate the
         // current synced status.  Return SYNC_PROMO so that
@@ -188,7 +190,9 @@ MessageType GetStatusInfoForNewTabPage(ProfileSyncService* service,
 
   if (service->HasSyncSetupCompleted() &&
       service->observed_passphrase_required()) {
-    if (!service->passphrase_required_for_decryption()) {
+    if (!(service->passphrase_required_reason() == sync_api::DECRYPTION &&
+          service->passphrase_required_reason() ==
+              sync_api::DECRYPTION_FAILED)) {
       // First machine migrating to passwords.  Show as a promotion.
       if (status_label && link_label) {
         status_label->assign(