Correct const accessors in base/values.(h|cc), Part II (ListValue)

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 1658 matching lines @@
   return id;
 }
 
 JsArgList GetNodeInfoById(const JsArgList& args,
                           UserShare* user_share,
                           DictionaryValue* (BaseNode::*info_getter)() const) {
   CHECK(info_getter);
   ListValue return_args;
   ListValue* node_summaries = new ListValue();
   return_args.Append(node_summaries);
-  ListValue* id_list = NULL;
+  const ListValue* id_list = NULL;
   ReadTransaction trans(FROM_HERE, user_share);
   if (args.Get().GetList(0, &id_list)) {
     CHECK(id_list);
     for (size_t i = 0; i < id_list->GetSize(); ++i) {
       int64 id = GetId(*id_list, i);
       if (id == kInvalidId) {
         continue;
       }
       ReadNode node(&trans);
       if (node.InitByIdLookup(id) != BaseNode::INIT_OK) {
@@ skipping 189 matching lines @@
 int SyncManagerImpl::GetDefaultNudgeDelay() {
   return kDefaultNudgeDelayMilliseconds;
 }
 
 // static.
 int SyncManagerImpl::GetPreferencesNudgeDelay() {
   return kPreferencesNudgeDelayMilliseconds;
 }
 
 }  // namespace syncer