Support needed to measure user and service traffic in Chrome.

net/url_request/url_fetcher_core.h

Index: net/url_request/url_fetcher_core.h
diff --git a/net/url_request/url_fetcher_core.h b/net/url_request/url_fetcher_core.h
index 06f8451c4f8e5d1ad4d207ea0924efd8ec0d1e01..ec0e8db51f6227b1a23d83f4b1f20425d0fbea6a 100644
--- a/net/url_request/url_fetcher_core.h
+++ b/net/url_request/url_fetcher_core.h
@@ -116,6 +116,8 @@ class URLFetcherCore : public base::RefCountedThreadSafe<URLFetcherCore>,
   const GURL& GetURL() const;
   const URLRequestStatus& GetStatus() const;
   int GetResponseCode() const;
+  int64 GetBytesReceivedSize() const;
+  int64 GetBytesSentSize() const;
   const ResponseCookies& GetCookies() const;
   int64_t GetReceivedResponseContentLength() const;
   int64_t GetTotalReceivedBytes() const;
@@ -334,7 +336,10 @@ class URLFetcherCore : public base::RefCountedThreadSafe<URLFetcherCore>,
   int64 current_response_bytes_;
   // Total expected bytes to receive (-1 if it cannot be determined).
   int64 total_response_bytes_;
-
+  // Total received bytes size

[bengr, 2015/08/07 18:00:02]

Add a period.

[amohammadkhan, 2015/08/11 22:04:36]

Done.

+  int64 total_downloaded_bytes_;
+  // total sent bytes size

[bengr, 2015/08/07 18:00:02]

You can be more specific for these. Total bytes sent to the session layer, e.g.,
QUIC, which may, in turn, compress headers and frame the request.

[amohammadkhan, 2015/08/11 22:04:36]

Done.

+  int64 total_sent_bytes_;
   // TODO(willchan): Get rid of this after debugging crbug.com/90971.
   base::debug::StackTrace stack_trace_;