Support needed to measure user and service traffic in Chrome.

chrome/browser/net/chrome_network_delegate.h

 // Copyright (c) 2012 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_CHROME_NETWORK_DELEGATE_H_
 #define CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.h"
+#include "components/data_use_measurement/content/data_use_measurement.h"
 #include "net/base/network_delegate_impl.h"
 
 class ChromeExtensionsNetworkDelegate;
 class PrefService;
 
 template<class T> class PrefMember;
 
 typedef PrefMember<bool> BooleanPrefMember;
 
 namespace base {
@@ skipping 166 matching lines @@
 
   // Weak, owned by our owner.
 #if defined(ENABLE_CONFIGURATION_POLICY)
   const policy::URLBlacklistManager* url_blacklist_manager_;
 #endif
   domain_reliability::DomainReliabilityMonitor* domain_reliability_monitor_;
 
   // When true, allow access to all file:// URLs.
   static bool g_allow_file_access_;
 
+  // Component to measure data use.
+  data_use_measurement::DataUseMeasurement data_use_measurement_;

[mmenke, 2015/09/02 21:48:08]

Worth noting this will miss PAC requests (Though that may change), requests made
from the SystemPolicyRequestContext, gcm requests (Which don't use URLRequests),
and requests made from any other private URLRequestContexts
(https://code.google.com/p/chromium/codesearch#search/&q=URLRequestContextBuil...
shows at least some of them).

It should catch most TCP and QUIC activity, though.

[amohammadkhan, 2015/09/03 04:31:18]

Thanks for the heads up. I think currently most of our target services are
covered, so it may be good enough at this stage but it is a good idea to cover
those kinds of request too to have a more holistic view.

+
   bool experimental_web_platform_features_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_