Introduce dedicated enum value for icons from Web Manifests

components/favicon/core/favicon_driver_impl.cc

 // Copyright 2015 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/favicon/core/favicon_driver_impl.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_util.h"
@@ skipping 85 matching lines @@
   }
 }
 
 void FaviconDriverImpl::OnUpdateCandidates(
     const GURL& page_url,
     const std::vector<FaviconURL>& candidates,
     const GURL& manifest_url) {
   RecordCandidateMetrics(candidates);
   for (const std::unique_ptr<FaviconHandler>& handler : handlers_) {
     // We feed in the Web Manifest URL (if any) to the instance handling type
-    // FAVICON, because those compete which each other (i.e. manifest icons
-    // override inline favicons).
-    handler->OnUpdateCandidates(page_url, candidates,
-                                handler->icon_types() & favicon_base::FAVICON
-                                    ? manifest_url
-                                    : GURL::EmptyGURL());
+    // WEB_MANIFEST_ICON, because those compete which each other (i.e. manifest
+    // icons override inline touch icons).
+    handler->OnUpdateCandidates(
+        page_url, candidates,
+        handler->icon_types() & favicon_base::WEB_MANIFEST_ICON
+            ? manifest_url
+            : GURL::EmptyGURL());
   }
 }
 
 }  // namespace favicon