clean-up: Use an id instead of memory pointer string in webui.

chrome/browser/ui/webui/options2/cookies_view_handler2.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/ui/webui/options2/cookies_view_handler2.h"
 
+#include <string>
+
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browsing_data_appcache_helper.h"
 #include "chrome/browser/browsing_data_cookie_helper.h"
 #include "chrome/browser/browsing_data_database_helper.h"
 #include "chrome/browser/browsing_data_file_system_helper.h"
 #include "chrome/browser/browsing_data_indexed_db_helper.h"
 #include "chrome/browser/browsing_data_local_storage_helper.h"
 #include "chrome/browser/browsing_data_quota_helper.h"
 #include "chrome/browser/browsing_data_server_bound_cert_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/cookies_tree_model_util.h"
 #include "content/public/browser/web_ui.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace options2 {
 
-CookiesViewHandler::CookiesViewHandler() : batch_update_(false) {
+CookiesViewHandler::CookiesViewHandler()
+    : batch_update_(false),
+      model_util_(new CookiesTreeModelUtil) {
 }
 
 CookiesViewHandler::~CookiesViewHandler() {
 }
 
 void CookiesViewHandler::GetLocalizedValues(
     DictionaryValue* localized_strings) {
   DCHECK(localized_strings);
 
   static OptionsStringResource resources[] = {
@@ skipping 71 matching lines @@
                                         ui::TreeModelNode* parent,
                                         int start,
                                         int count) {
   // Skip if there is a batch update in progress.
   if (batch_update_)
     return;
 
   CookieTreeNode* parent_node = cookies_tree_model_->AsNode(parent);
 
   ListValue* children = new ListValue;
-  cookies_tree_model_util::GetChildNodeList(parent_node, start, count,
+  model_util_->GetChildNodeList(parent_node, start, count,
                                             children);
 
   ListValue args;
   args.Append(parent == cookies_tree_model_->GetRoot() ?
       Value::CreateNullValue() :
       Value::CreateStringValue(
-          cookies_tree_model_util::GetTreeNodeId(parent_node)));
+          model_util_->GetTreeNodeId(parent_node)));
   args.Append(Value::CreateIntegerValue(start));
   args.Append(children);
   web_ui()->CallJavascriptFunction("CookiesView.onTreeItemAdded", args);
 }
 
 void CookiesViewHandler::TreeNodesRemoved(ui::TreeModel* model,
                                           ui::TreeModelNode* parent,
                                           int start,
                                           int count) {
   // Skip if there is a batch update in progress.
   if (batch_update_)
     return;
 
   ListValue args;
   args.Append(parent == cookies_tree_model_->GetRoot() ?
       Value::CreateNullValue() :
-      Value::CreateStringValue(cookies_tree_model_util::GetTreeNodeId(
+      Value::CreateStringValue(model_util_->GetTreeNodeId(
           cookies_tree_model_->AsNode(parent))));
   args.Append(Value::CreateIntegerValue(start));
   args.Append(Value::CreateIntegerValue(count));
   web_ui()->CallJavascriptFunction("CookiesView.onTreeItemRemoved", args);
 }
 
 void CookiesViewHandler::TreeModelBeginBatch(CookiesTreeModel* model) {
   DCHECK(!batch_update_);  // There should be no nested batch begin.
   batch_update_ = true;
 }
@@ skipping 40 matching lines @@
 }
 
 void CookiesViewHandler::Remove(const ListValue* args) {
   std::string node_path;
   if (!args->GetString(0, &node_path)) {
     return;
   }
 
   EnsureCookiesTreeModelCreated();
 
-  CookieTreeNode* node = cookies_tree_model_util::GetTreeNodeFromPath(
+  const CookieTreeNode* node = model_util_->GetTreeNodeFromPath(
       cookies_tree_model_->GetRoot(), node_path);
   if (node)
-    cookies_tree_model_->DeleteCookieNode(node);
+    cookies_tree_model_->DeleteCookieNode(const_cast<CookieTreeNode*>(node));
 }
 
 void CookiesViewHandler::LoadChildren(const ListValue* args) {
   std::string node_path;
   if (!args->GetString(0, &node_path)) {
     return;
   }
 
   EnsureCookiesTreeModelCreated();
 
-  CookieTreeNode* node = cookies_tree_model_util::GetTreeNodeFromPath(
+  const CookieTreeNode* node = model_util_->GetTreeNodeFromPath(
       cookies_tree_model_->GetRoot(), node_path);
   if (node)
     SendChildren(node);
 }
 
-void CookiesViewHandler::SendChildren(CookieTreeNode* parent) {
+void CookiesViewHandler::SendChildren(const CookieTreeNode* parent) {
   ListValue* children = new ListValue;
-  cookies_tree_model_util::GetChildNodeList(parent, 0, parent->child_count(),
+  model_util_->GetChildNodeList(parent, 0, parent->child_count(),
       children);
 
   ListValue args;
   args.Append(parent == cookies_tree_model_->GetRoot() ?
       Value::CreateNullValue() :
-      Value::CreateStringValue(cookies_tree_model_util::GetTreeNodeId(parent)));
+      Value::CreateStringValue(model_util_->GetTreeNodeId(parent)));
   args.Append(children);
 
   web_ui()->CallJavascriptFunction("CookiesView.loadChildren", args);
 }
 
 }  // namespace options2