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

chrome/browser/bookmarks/bookmark_manager_extension_api.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/bookmarks/bookmark_manager_extension_api.h"
 
 #include <vector>
 
 #include "base/json/json_writer.h"
 #include "base/string_number_conversions.h"
@@ skipping 40 matching lines @@
   if (!base::StringToInt64(id_string, &id))
     return NULL;
   return model->GetNodeByID(id);
 }
 
 // Gets a vector of bookmark nodes from the argument list of IDs.
 // This returns false in the case of failure.
 bool GetNodesFromArguments(BookmarkModel* model, const ListValue* args,
     size_t args_index, std::vector<const BookmarkNode*>* nodes) {
 
-  ListValue* ids;
+  const ListValue* ids;
   if (!args->GetList(args_index, &ids))
     return false;
 
   size_t count = ids->GetSize();
   if (count == 0)
     return false;
 
   for (size_t i = 0; i < count; ++i) {
     std::string id_string;
     if (!ids->GetString(i, &id_string))
@@ skipping 438 matching lines @@
   bool can_open_new_windows = true;
 
 #if defined(OS_WIN)
   if (base::win::IsMetroProcess())
     can_open_new_windows = false;
 #endif  // OS_WIN
 
   SetResult(Value::CreateBooleanValue(can_open_new_windows));
   return true;
 }