Add a chrome://webapks page.

components/webapks_ui/webapks_ui_constants.cc

Index: components/webapks_ui/webapks_ui_constants.cc
diff --git a/components/webapks_ui/webapks_ui_constants.cc b/components/webapks_ui/webapks_ui_constants.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8577e3480b40690a589298f809038c625458bafb
--- /dev/null
+++ b/components/webapks_ui/webapks_ui_constants.cc
@@ -0,0 +1,17 @@
+// Copyright 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 "components/webapks_ui/webapks_ui_constants.h"
+
+namespace webapks_ui {
+
+// Resource paths.
+const char kAboutWebApksCSS[] = "about_webapks.css";
+const char kWebApksJS[] = "webapks.js";

[pkotwicz, 2017/01/19 19:37:18]

I think that these constants can be put in the anonymous namespace in
chrome/browser/ui/webui/webapks_ui.cc (Though you can inline these constants
too)

[gonzalon, 2017/01/19 23:50:17]

Done.

+
+// Message handlers.
+const char kRequestWebApksInfo[] = "requestWebApksInfo";

[pkotwicz, 2017/01/19 19:37:18]

I think that this constant can be inlined. e.g.
https://cs.chromium.org/chromium/src/content/browser/gpu/gpu_internals_ui.cc?...

[gonzalon, 2017/01/19 23:50:17]

Done.

+const char kReturnWebApksInfo[] = "returnWebApksInfo";

[pkotwicz, 2017/01/19 19:37:18]

I think that this constant can be inlined. e.g.
https://cs.chromium.org/chromium/src/content/browser/gpu/gpu_internals_ui.cc?...

[gonzalon, 2017/01/19 23:50:17]

Done.

+
+}  // namespace webapks_ui