Record the data use of service worker initiated requests

components/data_use_measurement/core/url_request_classifier.h

Index: components/data_use_measurement/core/url_request_classifier.h
diff --git a/components/data_use_measurement/core/url_request_classifier.h b/components/data_use_measurement/core/url_request_classifier.h
index 00dc4108054d5fd723980014da28554971206813..eaab822d1c75fd477cb56804b9037d1031a76877 100644
--- a/components/data_use_measurement/core/url_request_classifier.h
+++ b/components/data_use_measurement/core/url_request_classifier.h
@@ -22,6 +22,9 @@ class URLRequestClassifier {
   // Returns true if the URLRequest |request| is initiated by user traffic.
   virtual bool IsUserRequest(const net::URLRequest& request) const = 0;
 
+  // Returns true if the URLRequest |request| is origintated by service worker.
+  virtual bool IsServiceWorkerRequest(const net::URLRequest& request) const = 0;
+
   // Returns the content type of the URL request |request| with response headers
   // |response_headers|. |is_app_foreground| and |is_tab_visible| indicate the
   // current app and tab visibility state.