Support needed to measure user and service traffic in Chrome.

net/url_request/url_fetcher_impl.h

Index: net/url_request/url_fetcher_impl.h
diff --git a/net/url_request/url_fetcher_impl.h b/net/url_request/url_fetcher_impl.h
index 0878469cb760edc0c9ea3aec18273973f1196473..e10190b428a82768444748142041c60d4edfb9bd 100644
--- a/net/url_request/url_fetcher_impl.h
+++ b/net/url_request/url_fetcher_impl.h
@@ -85,6 +85,8 @@ class NET_EXPORT_PRIVATE URLFetcherImpl : public URLFetcher {
   bool WasCached() const override;
   int64_t GetReceivedResponseContentLength() const override;
   int64_t GetTotalReceivedBytes() const override;
+  int64 GetBytesReceivedSize() const override;
+  int64 GetBytesSentSize() const override;
   void Start() override;
   const GURL& GetOriginalURL() const override;
   const GURL& GetURL() const override;