Reland 135525 - Add a first-class off-store install UI to chrome://extensions/.

chrome/browser/ui/webui/extensions/extensions_ui.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/extensions/extensions_ui.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_data_source.h"
+#include "chrome/browser/ui/webui/extensions/install_extension_handler.h"
 #include "chrome/browser/ui/webui/extensions/pack_extension_handler.h"
 #include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
 #include "chrome/browser/ui/webui/shared_resources_data_source.h"
 #include "chrome/common/url_constants.h"
-#include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "grit/browser_resources.h"
 
-using content::WebContents;
-
 namespace {
 
 ChromeWebUIDataSource* CreateExtensionsHTMLSource() {
   ChromeWebUIDataSource* source =
       new ChromeWebUIDataSource(chrome::kChromeUIExtensionsFrameHost);
 
   source->set_use_json_js_format_v2();
   source->set_json_path("strings.js");
   source->add_resource_path("extensions.js", IDR_EXTENSIONS_JS);
   source->add_resource_path("extension_list.js", IDR_EXTENSION_LIST_JS);
   source->set_default_resource(IDR_EXTENSIONS_HTML);
   return source;
 }
 
 }  // namespace
 
 ExtensionsUI::ExtensionsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
   Profile* profile = Profile::FromWebUI(web_ui);
   ChromeWebUIDataSource* source = CreateExtensionsHTMLSource();
   ChromeURLDataManager::AddDataSource(profile, source);
   ChromeURLDataManager::AddDataSource(profile, new SharedResourcesDataSource());
 
   ExtensionSettingsHandler* handler = new ExtensionSettingsHandler();
   handler->GetLocalizedValues(source->localized_strings());
   web_ui->AddMessageHandler(handler);
 
   PackExtensionHandler* pack_handler = new PackExtensionHandler();
   pack_handler->GetLocalizedValues(source->localized_strings());
   web_ui->AddMessageHandler(pack_handler);
+
+  InstallExtensionHandler* install_extension_handler =
+      new InstallExtensionHandler();
+  install_extension_handler->GetLocalizedValues(source->localized_strings());
+  web_ui->AddMessageHandler(install_extension_handler);
 }
 
 ExtensionsUI::~ExtensionsUI() {
 }