Collect stats to investigate the viability of UDP

chrome/browser/metrics/metrics_service.cc

Index: chrome/browser/metrics/metrics_service.cc
===================================================================
--- chrome/browser/metrics/metrics_service.cc	(revision 87905)
+++ chrome/browser/metrics/metrics_service.cc	(working copy)
@@ -174,6 +174,7 @@
 #include "chrome/browser/metrics/histogram_synchronizer.h"
 #include "chrome/browser/metrics/metrics_log.h"
 #include "chrome/browser/metrics/metrics_reporting_scheduler.h"
+#include "chrome/browser/net/network_stats.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
@@ -694,9 +695,12 @@
 void MetricsService::InitializeMetricsState() {
 #if defined(OS_POSIX)
   server_url_ = L"https://clients4.google.com/firefox/metrics/collect";
+  // TODO(rtenneti): Return the network stats server name.
+  network_stats_server_ = "";
 #else
   BrowserDistribution* dist = BrowserDistribution::GetDistribution();
   server_url_ = dist->GetStatsServerURL();
+  network_stats_server_ = dist->GetNetworkStatsServer();
 #endif
 
   PrefService* pref = g_browser_process->local_state();
@@ -1365,6 +1369,10 @@
   bool server_is_healthy = upload_succeeded || response_code == 400;
 
   scheduler_->UploadFinished(server_is_healthy, unsent_logs());
+
+  // Collect network stats if UMA upload succeeded.
+  if (server_is_healthy)
+    chrome_browser_net::CollectNetworkStats(network_stats_server_);
 }
 
 void MetricsService::LogBadResponseCode() {