sync: don't make DataTypeErrorHandler inherit UnrecoverableErrorHandler

chrome/browser/sync/glue/session_change_processor.cc

 // Copyright (c) 2012 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/glue/session_change_processor.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 245 matching lines @@
     const sync_api::ImmutableChangeRecordList& changes) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!running()) {
     return;
   }
 
   ScopedStopObserving<SessionChangeProcessor> stop_observing(this);
 
   sync_api::ReadNode root(trans);
   if (root.InitByTagLookup(kSessionsTag) != sync_api::BaseNode::INIT_OK) {
-    error_handler()->OnUnrecoverableError(FROM_HERE,
+    error_handler()->OnSingleDatatypeUnrecoverableError(FROM_HERE,
         "Sessions root node lookup failed.");
     return;
   }
 
   std::string local_tag = session_model_associator_->GetCurrentMachineTag();
   for (sync_api::ChangeRecordList::const_iterator it =
            changes.Get().begin(); it != changes.Get().end(); ++it) {
     const sync_api::ChangeRecord& change = *it;
     sync_api::ChangeRecord::Action action(change.action);
     if (sync_api::ChangeRecord::ACTION_DELETE == action) {
@@ skipping 89 matching lines @@
   notification_registrar_.Add(this, chrome::NOTIFICATION_FAVICON_CHANGED,
       content::Source<Profile>(profile_));
 }
 
 void SessionChangeProcessor::StopObserving() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   notification_registrar_.RemoveAll();
 }
 
 }  // namespace browser_sync