Changes to upload tracked_objects data from all renderer

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
===================================================================
--- chrome/browser/chrome_browser_main.cc	(revision 108557)
+++ chrome/browser/chrome_browser_main.cc	(working copy)
@@ -49,6 +49,7 @@
 #include "chrome/browser/metrics/metrics_log.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/metrics/thread_watcher.h"
+#include "chrome/browser/metrics/tracking_synchronizer.h"
 #include "chrome/browser/net/chrome_dns_cert_provenance_checker.h"
 #include "chrome/browser/net/chrome_dns_cert_provenance_checker_factory.h"
 #include "chrome/browser/net/chrome_net_log.h"
@@ -1397,6 +1398,7 @@
   // scope. Even though NewRunnableMethod does AddRef and Release, the object
   // will not be deleted after the Task is executed.
   histogram_synchronizer_ = new HistogramSynchronizer();
+  tracking_synchronizer_ = new chrome_browser_metrics::TrackingSynchronizer();
 
   // Now the command line has been mutated based on about:flags, we can
   // set up metrics and initialize field trials.