Update the Nigori node when the passphrase changes.

chrome/browser/sync/engine/syncapi.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/sync/engine/syncapi.h"
 
 #include "build/build_config.h"
 
 #include <iomanip>
 #include <list>
@@ skipping 1490 matching lines @@
   KeyParams params = {"localhost", "dummy", passphrase};
   if (cryptographer->has_pending_keys()) {
     if (!cryptographer->DecryptPendingKeys(params)) {
       observer_->OnPassphraseRequired();
       return;
     }
     // Nudge the syncer so that passwords updates that were waiting for this
     // passphrase get applied as soon as possible.
     sync_manager_->RequestNudge();
   } else {
+    WriteTransaction trans(GetUserShare());
+    WriteNode node(&trans);
+    if (!node.InitByTagLookup(kNigoriTag)) {
+      // TODO(albertb): Plumb an UnrecoverableError all the way back to the PSS.
+      NOTREACHED();
+      return;
+    }
     cryptographer->AddKey(params);
-    // TODO(albertb): Update the Nigori node on the server with the new keys.
+
+    sync_pb::NigoriSpecifics specifics;
+    cryptographer->GetKeys(specifics.mutable_encrypted());
+    node.SetNigoriSpecifics(specifics);
   }
   observer_->OnPassphraseAccepted();
 }
 
 SyncManager::~SyncManager() {
   delete data_;
 }
 
 void SyncManager::SetObserver(Observer* observer) {
   data_->set_observer(observer);
@@ skipping 575 matching lines @@
 UserShare* SyncManager::GetUserShare() const {
   DCHECK(data_->initialized()) << "GetUserShare requires initialization!";
   return data_->GetUserShare();
 }
 
 SyncManager::ExtraAutofillChangeRecordData::~ExtraAutofillChangeRecordData() {
   delete pre_deletion_data;
 }
 
 }  // namespace sync_api