[ios Mojo] Implemented chrome://version.

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

Index: ios/chrome/browser/ui/webui/version_ui.mm
diff --git a/ios/chrome/browser/ui/webui/version_ui.mm b/ios/chrome/browser/ui/webui/version_ui.mm
index d0349538488924003fd958421c075b2e9b8c4669..f4d28e2109a31baefe59f75848d3e5eff2f3b636 100644
--- a/ios/chrome/browser/ui/webui/version_ui.mm
+++ b/ios/chrome/browser/ui/webui/version_ui.mm
@@ -23,8 +23,8 @@
 #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 {
@@ -95,19 +95,25 @@ web::WebUIIOSDataSource* CreateVersionUIDataSource() {
                                   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)));
+}