Add favicon and publisher name to snippet cards

components/ntp_snippets/switches.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/ntp_snippets/switches.h"
 
 namespace ntp_snippets {
 namespace switches {
 
 const char kFetchingIntervalWifiChargingSeconds[] =
     "ntp-snippets-fetching-interval-wifi-charging";
 const char kFetchingIntervalWifiSeconds[] =
     "ntp-snippets-fetching-interval-wifi";
 const char kFetchingIntervalFallbackSeconds[] =
     "ntp-snippets-fetching-interval-fallback";
 
 // If this flag is set, the snippets won't be restricted to the user's NTP
 // suggestions.
 const char kDontRestrict[] = "ntp-snippets-dont-restrict";
 
+// If this flag is set, we will add downloaded snippets that are missing some
+// critical data to the list.
+const char kAddIncompleteSnippets[] = "ntp-snippets-add-incomplete";
+
 }  // namespace switches
 }  // namespace ntp_snippets