Record policy usage statistics every 24 hours.

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index d4f33666beb5f5002c4b27a6536e9685def34729..20f5b55809d9ff59b6a6d18422bc1abf58cda86d 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -44,6 +44,7 @@
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/policy/policy_service.h"
+#include "chrome/browser/policy/policy_statistics_collector.h"
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prerender/prerender_tracker.h"
@@ -184,6 +185,10 @@ void BrowserProcessImpl::StartTearDown() {
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::Bind(&SdchDictionaryFetcher::Shutdown));
 
+  // Destroy PolicyStatisticsCollector before metrics, policy service and local
+  // state are down.
+  policy_statistics_collector_.reset();
+
   // We need to destroy the MetricsService, VariationsService,
   // IntranetRedirectDetector, and SafeBrowsing ClientSideDetectionService
   // (owned by the SafeBrowsingService) before the io_thread_ gets destroyed,
@@ -754,6 +759,10 @@ void BrowserProcessImpl::CreateLocalState() {
 void BrowserProcessImpl::PreCreateThreads() {
   io_thread_.reset(new IOThread(
       local_state(), net_log_.get(), extension_event_router_forwarder_.get()));
+  policy_statistics_collector_.reset(new policy::PolicyStatisticsCollector(
+      policy_service_.get(),
+      local_state_.get(),
+      MessageLoop::current()->message_loop_proxy()));
 }
 
 void BrowserProcessImpl::PreMainMessageLoopRun() {