[MD Extensions] Add support for URL navigation

chrome/browser/ui/webui/extensions/extensions_ui.cc

Index: chrome/browser/ui/webui/extensions/extensions_ui.cc
diff --git a/chrome/browser/ui/webui/extensions/extensions_ui.cc b/chrome/browser/ui/webui/extensions/extensions_ui.cc
index 76d209f5d7dd7b80d8844f16fd4e8f3a04c66525..63c0acd48d9bf16483c1ddfd152ea3eb98f67fe1 100644
--- a/chrome/browser/ui/webui/extensions/extensions_ui.cc
+++ b/chrome/browser/ui/webui/extensions/extensions_ui.cc
@@ -285,6 +285,8 @@ content::WebUIDataSource* CreateMdExtensionsSource() {
   source->AddResourcePath("pack_dialog.html",
                           IDR_MD_EXTENSIONS_PACK_DIALOG_HTML);
   source->AddResourcePath("pack_dialog.js", IDR_MD_EXTENSIONS_PACK_DIALOG_JS);
+  source->AddResourcePath("page_state.html", IDR_MD_EXTENSIONS_PAGE_STATE_HTML);
+  source->AddResourcePath("page_state.js", IDR_MD_EXTENSIONS_PAGE_STATE_JS);
   source->AddResourcePath("service.html", IDR_MD_EXTENSIONS_SERVICE_HTML);
   source->AddResourcePath("service.js", IDR_MD_EXTENSIONS_SERVICE_JS);
   source->AddResourcePath("shortcut_input.html",