[MD settings] pulling in chrome.send for using current pages for on startup pages]

chrome/browser/ui/webui/settings/settings_startup_pages_handler.cc

+// Copyright 2015 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/settings/settings_startup_pages_handler.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "content/public/browser/web_ui.h"
+
+namespace settings {
+
+StartupPagesHandler::StartupPagesHandler(content::WebUI* webui)
+    : startup_custom_pages_table_model_(Profile::FromWebUI(webui)) {
+  startup_custom_pages_table_model_.SetObserver(this);
+}
+
+StartupPagesHandler::~StartupPagesHandler() {
+}
+
+void StartupPagesHandler::RegisterMessages() {
+  DCHECK(!Profile::FromWebUI(web_ui())->IsOffTheRecord());
+
+  web_ui()->RegisterMessageCallback("setStartupPagesToCurrentPages",
+      base::Bind(&StartupPagesHandler::SetStartupPagesToCurrentPages,
+                 base::Unretained(this)));
+}
+
+void StartupPagesHandler::OnModelChanged() {
+  base::ListValue startup_pages;
+  int page_count = startup_custom_pages_table_model_.RowCount();
+  std::vector<GURL> urls = startup_custom_pages_table_model_.GetURLs();
+  for (int i = 0; i < page_count; ++i) {
+    base::DictionaryValue* entry = new base::DictionaryValue();

[Dan Beam, 2015/09/02 19:43:52]

nit: use scoped_ptr<> to make ownership more explicit and to avoid memory leaks
(if there's a continue or break in the middle of the loop, for instance)

scoped_ptr<base::DictionaryValue> entry(new base::DictionaryValue);

+    entry->SetString("title", startup_custom_pages_table_model_.GetText(i, 0));
+    entry->SetString("url", urls[i].spec());
+    entry->SetString("tooltip",
+                     startup_custom_pages_table_model_.GetTooltip(i));
+    entry->SetInteger("modelIndex", i);
+    startup_pages.Append(entry);

[Dan Beam, 2015/09/02 19:43:52]

Append(entry.release())

+  }
+
+  web_ui()->CallJavascriptFunction("Settings.updateStartupPages",
+                                   startup_pages);
+}
+
+void StartupPagesHandler::OnItemsChanged(int start, int length) {
+  OnModelChanged();
+}
+
+void StartupPagesHandler::OnItemsAdded(int start, int length) {
+  OnModelChanged();
+}
+
+void StartupPagesHandler::OnItemsRemoved(int start, int length) {
+  OnModelChanged();
+}
+
+void StartupPagesHandler::SetStartupPagesToCurrentPages(
+    const base::ListValue* args) {
+  startup_custom_pages_table_model_.SetToCurrentlyOpenPages();
+}
+
+}  // namespace settings