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

chrome/browser/safe_browsing/ui_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/safe_browsing/ui_manager.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/debug/leak_tracker.h"
@@ skipping 226 matching lines @@
   SafeBrowsingBlockingPage::ShowBlockingPage(this, resource);
 }
 
 // A safebrowsing hit is sent after a blocking page for malware/phishing
 // or after the warning dialog for download urls, only for
 // UMA || extended_reporting users.
 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,
                    this, hit_report));
   }
 }
 
 void SafeBrowsingUIManager::ReportSafeBrowsingHitOnIOThread(
     const HitReport& hit_report) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
@@ skipping 105 matching lines @@
   }
 
   WhitelistUrlSet* site_list =
       static_cast<WhitelistUrlSet*>(web_contents->GetUserData(kWhitelistKey));
   if (!site_list)
     return false;
   return site_list->Contains(maybe_whitelisted_url);
 }
 
 }  // namespace safe_browsing