Add chrome://nfc-debug for debugging NFC on Chrome OS.

chrome/browser/browser_resources.grd

Index: chrome/browser/browser_resources.grd
diff --git a/chrome/browser/browser_resources.grd b/chrome/browser/browser_resources.grd
index 352d0e6268bf4dadb0950b00f4cbe137784a4eea..5325ffc6352c7c06902f63fda95c8dbb145aa155 100644
--- a/chrome/browser/browser_resources.grd
+++ b/chrome/browser/browser_resources.grd
@@ -311,6 +311,9 @@
         <include name="IDR_MOBILE_SETUP_PORTAL_PAGE_HTML" file="resources\chromeos\mobile_setup_portal.html" flattenhtml="true" type="BINDATA" />
         <include name="IDR_NETWORK_MENU_CSS" file="resources\chromeos\network_menu.css" flattenhtml="true" type="BINDATA" />
         <include name="IDR_NETWORK_MENU_JS" file="resources\chromeos\network_menu.js" flattenhtml="true" type="BINDATA" />
+        <include name="IDR_NFC_DEBUG_HTML" file="resources\chromeos\nfc_debug.html" type="BINDATA" />
+        <include name="IDR_NFC_DEBUG_CSS" file="resources\chromeos\nfc_debug.css" type="BINDATA" />
+        <include name="IDR_NFC_DEBUG_JS" file="resources\chromeos\nfc_debug.js" type="BINDATA" />
         <include name="IDR_NOTIFICATION_ICON_LINK_HTML" file="resources\chromeos\notification_icon_link.html" type="BINDATA" />
         <include name="IDR_ECHO_MANIFEST" file="resources\chromeos\echo\manifest.json" type="BINDATA" />
         <include name="IDR_OFFLINE_APP_LOAD_HTML" file="resources\chromeos\offline_app_load.html" flattenhtml="true" type="BINDATA" />