Add a Physical Web WebUI

components/physical_web/webui/physical_web_ui_constants.cc

+// Copyright 2016 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/physical_web/webui/physical_web_ui_constants.h"
+
+namespace physical_web_ui {
+
+// Resource paths.
+const char kPhysicalWebJS[] = "physical_web.js";
+const char kPhysicalWebCSS[] = "physical_web.css";
+
+// Message handlers.
+const char kRequestNearbyUrls[] = "requestNearbyURLs";
+
+// Strings.
+const char kTitle[] = "title";
+const char kPageInfo[] = "pageInfo";
+const char kPageInfoDescription[] = "pageInfoDescription";
+const char kPageInfoIcon[] = "pageInfoIcon";
+const char kPageInfoTitle[] = "pageInfoTitle";
+const char kResolvedUrl[] = "resolvedUrl";
+const char kScannedUrl[] = "scannedUrl";
+const char kReturnNearbyUrls[] = "returnNearbyURLs";
+const char kMetadata[] = "metadata";
+
+}  // namespace physical_web_ui