Domain Reliability: Don't create Service if metrics reporting disabled

chrome/browser/domain_reliability/service_factory.cc

Index: chrome/browser/domain_reliability/service_factory.cc
diff --git a/chrome/browser/domain_reliability/service_factory.cc b/chrome/browser/domain_reliability/service_factory.cc
index 0809074b7def79e2dd450288d97484ca1b6aa194..5b4f267b79356205c3238e8d76b48c6c003c2813 100644
--- a/chrome/browser/domain_reliability/service_factory.cc
+++ b/chrome/browser/domain_reliability/service_factory.cc
@@ -6,7 +6,10 @@
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
+#include "base/prefs/pref_service.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
 #include "components/domain_reliability/service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "content/public/browser/browser_context.h"
@@ -56,6 +59,11 @@ KeyedService* DomainReliabilityServiceFactory::BuildServiceInstanceFor(
   if (!IsDomainReliabilityMonitoringEnabled())
     return NULL;
 
+  if (!g_browser_process->local_state()->GetBoolean(
+          prefs::kMetricsReportingEnabled)) {
+    return NULL;
+  }
+
   return DomainReliabilityService::Create(
       kDomainReliabilityUploadReporterString);
 }