Support needed to measure user and service traffic in Chrome.

chrome/browser/net/chrome_network_delegate.cc

 // 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.
 
 #include "chrome/browser/net/chrome_network_delegate.h"
 
 #include <stdlib.h>
 
 #include <vector>
 
@@ skipping 450 matching lines @@
   return extensions_delegate_->OnHeadersReceived(
       request,
       callback,
       original_response_headers,
       override_response_headers,
       allowed_unsafe_redirect_url);
 }
 
 void ChromeNetworkDelegate::OnBeforeRedirect(net::URLRequest* request,
                                              const GURL& new_location) {
+// Recording data use of request on redirects.
+#if !defined(OS_IOS)
+  data_use_measurement_.ReportDataUseUMA(request);
+#endif
   if (domain_reliability_monitor_)
     domain_reliability_monitor_->OnBeforeRedirect(request);
   extensions_delegate_->OnBeforeRedirect(request, new_location);
 }
 
 
 void ChromeNetworkDelegate::OnResponseStarted(net::URLRequest* request) {
   extensions_delegate_->OnResponseStarted(request);
 }
 
 void ChromeNetworkDelegate::OnNetworkBytesReceived(
     const net::URLRequest& request,
     int64_t bytes_received) {
 #if defined(ENABLE_TASK_MANAGER)
   // Note: Currently, OnNetworkBytesReceived is only implemented for HTTP jobs,
   // not FTP or other types, so those kinds of bytes will not be reported here.
   task_management::TaskManagerInterface::OnRawBytesRead(request,
                                                         bytes_received);
 #endif  // defined(ENABLE_TASK_MANAGER)
 }
 
 void ChromeNetworkDelegate::OnCompleted(net::URLRequest* request,
                                         bool started) {
+#if !defined(OS_IOS)
+  // TODO(amohammadkhan): Verify that there is no double recording in data use
+  // of redirected requests.
+  data_use_measurement_.ReportDataUseUMA(request);
+#endif
   RecordNetworkErrorHistograms(request);
   if (started) {
     // Only call in for requests that were started, to obey the precondition
     // that RecordCacheStateStats can only be called on requests for which
     // OnResponseStarted was called.
     RecordCacheStateStats(request);
   }
 
   if (request->status().status() == net::URLRequestStatus::SUCCESS) {
 #if defined(OS_ANDROID)
@@ skipping 185 matching lines @@
   return experimental_web_platform_features_enabled_;
 }
 
 bool ChromeNetworkDelegate::OnCancelURLRequestWithPolicyViolatingReferrerHeader(
     const net::URLRequest& request,
     const GURL& target_url,
     const GURL& referrer_url) const {
   ReportInvalidReferrerSend(target_url, referrer_url);
   return true;
 }