sync: Fix return value in GetAllNodesForType

sync/internal_api/sync_manager_impl.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 "sync/internal_api/sync_manager_impl.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 952 matching lines @@
     syncer::ModelType type) {
   DirectoryTypeDebugInfoEmitterMap* emitter_map =
       model_type_registry_->directory_type_debug_info_emitter_map();
   DirectoryTypeDebugInfoEmitterMap::iterator it = emitter_map->find(type);
 
   if (it == emitter_map->end()) {
     // This can happen in some cases.  The UI thread makes requests of us
     // when it doesn't really know which types are enabled or disabled.
     DLOG(WARNING) << "Asked to return debug info for invalid type "
                   << ModelTypeToString(type);
-    return scoped_ptr<base::ListValue>();
+    return scoped_ptr<base::ListValue>(new base::ListValue());
   }
 
   return it->second->GetAllNodes();
 }
 
 void SyncManagerImpl::SetInvalidatorEnabled(bool invalidator_enabled) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   DVLOG(1) << "Invalidator enabled state is now: " << invalidator_enabled;
   allstatus_.SetNotificationsEnabled(invalidator_enabled);
@@ skipping 156 matching lines @@
 int SyncManagerImpl::GetDefaultNudgeDelay() {
   return kDefaultNudgeDelayMilliseconds;
 }
 
 // static.
 int SyncManagerImpl::GetPreferencesNudgeDelay() {
   return kPreferencesNudgeDelayMilliseconds;
 }
 
 }  // namespace syncer