Record data use of favicon

components/data_use_measurement/content/content_url_request_classifier.h

 // 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.
 
 #ifndef COMPONENTS_DATA_USE_MEASUREMENT_CONTENT_CONTENT_URL_REQUEST_CLASSIFIER_H_
 #define COMPONENTS_DATA_USE_MEASUREMENT_CONTENT_CONTENT_URL_REQUEST_CLASSIFIER_H_
 
 #include "components/data_use_measurement/core/url_request_classifier.h"
 
 namespace net {
 class URLRequest;
 }
 
 namespace data_use_measurement {
 
 // Returns true if the URLRequest |request| is initiated by user traffic.
 bool IsUserRequest(const net::URLRequest& request);
 
 class ContentURLRequestClassifier : public URLRequestClassifier {
  private:
   // UrlRequestClassifier:
   bool IsUserRequest(const net::URLRequest& request) const override;
-
   DataUseUserData::DataUseContentType GetContentType(
       const net::URLRequest& request,
       const net::HttpResponseHeaders& response_headers) const override;
-
   void RecordPageTransitionUMA(uint64_t page_transition,
                                int64_t received_bytes) const override;
+  bool IsFavIconRequest(const net::URLRequest& request) const override;
 };
 
 }  // namespace data_use_measurement
 
 #endif  // COMPONENTS_DATA_USE_MEASUREMENT_CONTENT_CONTENT_URL_REQUEST_CLASSIFIER_H_