Support needed to measure user and service traffic in Chrome.

chrome/browser/net/data_use_measurement.h

Index: chrome/browser/net/data_use_measurement.h
diff --git a/chrome/browser/net/data_use_measurement.h b/chrome/browser/net/data_use_measurement.h
new file mode 100644
index 0000000000000000000000000000000000000000..e98997e5b22e6483e9f1f7fc0d322d708e3c1307
--- /dev/null
+++ b/chrome/browser/net/data_use_measurement.h
@@ -0,0 +1,19 @@
+// Copyright 2015 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 CHROME_BROWSER_NET_DATA_USE_MEASUREMENT_H_
+#define CHROME_BROWSER_NET_DATA_USE_MEASUREMENT_H_
+
+namespace net {
+class URLRequest;
+}  // namespace net

[bengr, 2015/08/07 18:00:01]

No need for the comment on a single line namespace.

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

Done.

+
+// Records the data use of |serviceType| based on the |request|. Normally used
+// for recording data use of All the packets in ChromeNetworkDelegate because
+// we have access to URLRequest. After extracting necessary data, such as
+// message size in different directions, specify it is User or Not_user data and
+// calls the other version of ReportDataUsage for recording this measurement.
+void ReportDataUsage(const net::URLRequest* request);
+
+#endif  // CHROME_BROWSER_NET_DATA_USE_MEASUREMENT_H_