Stop using UMA preference to gate sending HitReport to SB backend.

chrome/browser/safe_browsing/ui_manager.cc

Index: chrome/browser/safe_browsing/ui_manager.cc
diff --git a/chrome/browser/safe_browsing/ui_manager.cc b/chrome/browser/safe_browsing/ui_manager.cc
index 80a38d0338e21359b4a371dad026f875f94799dc..8543c38bf4b68885feba7e02f3c7578c3029bb89 100644
--- a/chrome/browser/safe_browsing/ui_manager.cc
+++ b/chrome/browser/safe_browsing/ui_manager.cc
@@ -244,9 +244,8 @@ void SafeBrowsingUIManager::MaybeReportSafeBrowsingHit(
     const HitReport& hit_report) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  // Decide if we should send this report.
-  if (hit_report.is_metrics_reporting_active ||
-      hit_report.is_extended_reporting) {
+  // Send report if user opted-in extended reporting.
+  if (hit_report.is_extended_reporting) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&SafeBrowsingUIManager::ReportSafeBrowsingHitOnIOThread,