[Sync] Support receiving early passphrase required information in Sync UI.

chrome/browser/sync/sync_setup_flow.cc

Index: chrome/browser/sync/sync_setup_flow.cc
diff --git a/chrome/browser/sync/sync_setup_flow.cc b/chrome/browser/sync/sync_setup_flow.cc
index 61c1fb54e8dec839847ea5b5e696a2e98032bb3c..7f6e354aa21131c1b0bf6e85842192361b773900 100644
--- a/chrome/browser/sync/sync_setup_flow.cc
+++ b/chrome/browser/sync/sync_setup_flow.cc
@@ -271,10 +271,14 @@ void SyncSetupFlow::OnUserConfigured(const SyncConfiguration& configuration) {
          !configuration.use_secondary_passphrase ||
          configuration.secondary_passphrase.length() > 0);
 
-  if (configuration.use_secondary_passphrase &&
-      !service_->IsUsingSecondaryPassphrase()) {
-    service_->SetPassphrase(configuration.secondary_passphrase, true, true);
-    tried_creating_explicit_passphrase_ = true;
+  if (configuration.use_secondary_passphrase) {
+    if (!service_->IsUsingSecondaryPassphrase()) {
+      service_->SetPassphrase(configuration.secondary_passphrase, true, true);
+      tried_creating_explicit_passphrase_ = true;
+    } else {
+      service_->SetPassphrase(configuration.secondary_passphrase, true, false);
+      tried_setting_explicit_passphrase_ = true;
+    }
   }
 
   service_->OnUserChoseDatatypes(configuration.sync_everything,