Record data use of favicon

components/data_use_measurement/content/content_url_request_classifier.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/data_use_measurement/content/content_url_request_classifier.h"
 
 #include <string>
 
 #include "base/strings/string_util.h"
 #include "content/public/browser/resource_request_info.h"
@@ skipping 49 matching lines @@
                                 base::CompareCase::SENSITIVE)) {
       return DataUseUserData::AUDIO;
     } else if (base::StartsWith(mime_type, "video/",
                                 base::CompareCase::SENSITIVE)) {
       return DataUseUserData::VIDEO;
     }
   }
   return DataUseUserData::OTHER;
 }
 
+bool ContentURLRequestClassifier::IsFavIconRequest(
+    const net::URLRequest& request) const {
+  const content::ResourceRequestInfo* request_info =
+      content::ResourceRequestInfo::ForRequest(&request);
+  return request_info && request_info->GetResourceType() ==
+                             content::ResourceType::RESOURCE_TYPE_FAVICON;
+}
+
 }  // namespace data_use_measurement