Add a chrome://webapks page.

chrome/browser/ui/webui/webapks_ui.cc

Index: chrome/browser/ui/webui/webapks_ui.cc
diff --git a/chrome/browser/ui/webui/webapks_ui.cc b/chrome/browser/ui/webui/webapks_ui.cc
new file mode 100644
index 0000000000000000000000000000000000000000..763f2801c075251b4d23f4bd030206db36488c0f
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+++ b/chrome/browser/ui/webui/webapks_ui.cc
@@ -0,0 +1,55 @@
+// Copyright (c) 2017 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/webapks_ui.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/webui/webapks_handler.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/grit/chromium_strings.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/grit/components_resources.h"
+#include "components/strings/grit/components_chromium_strings.h"
+#include "components/strings/grit/components_strings.h"
+#include "components/webapks_ui/webapks_ui_constants.h"
+#include "content/public/browser/url_data_source.h"
+#include "content/public/browser/web_ui.h"
+#include "content/public/browser/web_ui_data_source.h"
+
+using content::WebUIDataSource;
+
+namespace {
+
+WebUIDataSource* CreateWebApksUIDataSource() {
+  WebUIDataSource* html_source =
+      WebUIDataSource::Create(chrome::kChromeUIWebApksHost);
+
+  html_source->AddLocalizedString(webapks_ui::kTitle, IDS_WEBAPKS_UI_TITLE);
+  html_source->AddLocalizedString(webapks_ui::kHeader, IDS_WEBAPKS_UI_HEADER);
+  html_source->AddLocalizedString(webapks_ui::kPackageName,
+                                  IDS_WEBAPKS_UI_PACKAGE_NAME);
+  html_source->AddLocalizedString(webapks_ui::kShellApkVersion,
+                                  IDS_WEBAPKS_UI_SHELL_APK_VERSION);
+  html_source->AddLocalizedString(webapks_ui::kVersionCode,
+                                  IDS_WEBAPKS_UI_VERSION_CODE);
+
+  html_source->SetJsonPath("strings.js");
+  html_source->AddResourcePath(webapks_ui::kWebApksJS, IDR_WEBAPKS_UI_JS);
+  html_source->AddResourcePath(webapks_ui::kAboutWebApksCSS,
+                               IDR_WEBAPKS_UI_CSS);
+  html_source->SetDefaultResource(IDR_WEBAPKS_UI_HTML);
+
+  return html_source;
+}
+
+}  // namespace
+
+WebApksUI::WebApksUI(content::WebUI* web_ui)
+    : content::WebUIController(web_ui) {
+  Profile* profile = Profile::FromWebUI(web_ui);
+  web_ui->AddMessageHandler(base::MakeUnique<WebApksHandler>());
+  WebUIDataSource::Add(profile, CreateWebApksUIDataSource());
+}
+
+WebApksUI::~WebApksUI() {}