Record the data use by content type

components/data_use_measurement/content/content_url_request_classifier.h

Index: components/data_use_measurement/content/content_url_request_classifier.h
diff --git a/components/data_use_measurement/content/content_url_request_classifier.h b/components/data_use_measurement/content/content_url_request_classifier.h
index 2e102bb782fb2b34df0faa6ef000b4b88433c167..8b978fed77354f73b7a0787d78ec0916dd592f49 100644
--- a/components/data_use_measurement/content/content_url_request_classifier.h
+++ b/components/data_use_measurement/content/content_url_request_classifier.h
@@ -19,6 +19,10 @@ bool IsUserRequest(const net::URLRequest& request);
 class ContentURLRequestClassifier : public URLRequestClassifier {
  public:
   bool IsUserRequest(const net::URLRequest& request) const override;
+
+  DataUseUserData::DataUseContentType GetContentType(
+      const net::URLRequest& request,
+      const net::HttpResponseHeaders& response_headers) const override;
 };
 
 }  // namespace data_use_measurement