[ios Mojo] Implemented chrome://version.

ios/chrome/browser/ui/webui/version_ui.mm

 // 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 "ios/chrome/browser/ui/webui/version_ui.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "components/grit/components_resources.h"
 #include "components/strings/grit/components_chromium_strings.h"
 #include "components/strings/grit/components_google_chrome_strings.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/version_info/version_info.h"
 #include "components/version_ui/version_ui_constants.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #include "ios/chrome/browser/ui/webui/version_handler.h"
 #include "ios/chrome/common/channel_info.h"
 #include "ios/chrome/grit/ios_chromium_strings.h"
 #include "ios/chrome/grit/ios_google_chrome_strings.h"
 #include "ios/chrome/grit/ios_strings.h"
 #include "ios/web/public/web_client.h"
+#import "ios/web/public/web_state/web_state.h"
 #include "ios/web/public/web_ui_ios_data_source.h"
-#include "ios/web/public/webui/web_ui_ios.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
 
 web::WebUIIOSDataSource* CreateVersionUIDataSource() {
   web::WebUIIOSDataSource* html_source =
       web::WebUIIOSDataSource::Create(kChromeUIVersionHost);
 
   // Localized and data strings.
   html_source->AddLocalizedString(version_ui::kTitle, IDS_VERSION_UI_TITLE);
@@ skipping 50 matching lines @@
   for (ArgvList::const_iterator iter = argv.begin(); iter != argv.end(); iter++)
     command_line += " " + *iter;
   // TODO(viettrungluu): |command_line| could really have any encoding, whereas
   // below we assumes it's UTF-8.
   html_source->AddString(version_ui::kCommandLine, command_line);
 
   html_source->AddLocalizedString(version_ui::kVariationsName,
                                   IDS_VERSION_UI_VARIATIONS);
 
   html_source->SetJsonPath("strings.js");
-  html_source->AddResourcePath(version_ui::kVersionJS, IDR_VERSION_UI_IOS_JS);
+  html_source->AddResourcePath(version_ui::kVersionJS, IDR_VERSION_UI_JS);
   html_source->AddResourcePath(version_ui::kAboutVersionCSS,
                                IDR_VERSION_UI_CSS);
+  html_source->AddResourcePath("components/version_ui/version.mojom",
+                               IDR_VERSION_MOJO_JS);
   html_source->SetDefaultResource(IDR_VERSION_UI_HTML);
   return html_source;
 }
 
 }  // namespace
 
-VersionUI::VersionUI(web::WebUIIOS* web_ui) : web::WebUIIOSController(web_ui) {
-  web_ui->AddMessageHandler(new VersionHandler());
+VersionUI::VersionUI(web::WebUIIOS* web_ui) : MojoWebUIIOSController(web_ui) {
   web::WebUIIOSDataSource::Add(ios::ChromeBrowserState::FromWebUIIOS(web_ui),
                                CreateVersionUIDataSource());
 }
 
 VersionUI::~VersionUI() {}
+
+void VersionUI::BindUIHandler(
+    mojo::InterfaceRequest<mojom::VersionPageHandler> request) {
+  version_handler_.reset(new VersionHandler(std::move(request)));
+}