Componentizing SafeBrowsingBlockingPage Part 1

ios/chrome/browser/interstitials/ios_chrome_metrics_helper.mm

 // Copyright 2015 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 "ios/chrome/browser/interstitials/ios_chrome_metrics_helper.h"
 
 #include "components/history/core/browser/history_service.h"
 #include "components/keyed_service/core/service_access_type.h"
 #include "components/rappor/rappor_service_impl.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/history/history_service_factory.h"
 #include "ios/web/public/web_state/web_state.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 IOSChromeMetricsHelper::IOSChromeMetricsHelper(
     web::WebState* web_state,
     const GURL& request_url,
     const security_interstitials::MetricsHelper::ReportDetails report_details)
     : security_interstitials::MetricsHelper(
           request_url,
           report_details,
           ios::HistoryServiceFactory::GetForBrowserState(
               ios::ChromeBrowserState::FromBrowserState(
                   web_state->GetBrowserState()),
-              ServiceAccessType::EXPLICIT_ACCESS),
-          GetApplicationContext()->GetRapporServiceImpl()
-              ? GetApplicationContext()->GetRapporServiceImpl()->AsWeakPtr()
-              : base::WeakPtr<rappor::RapporService>()) {}
+              ServiceAccessType::EXPLICIT_ACCESS)) {}
 
 IOSChromeMetricsHelper::~IOSChromeMetricsHelper() {}
 
 void IOSChromeMetricsHelper::RecordExtraUserDecisionMetrics(
     security_interstitials::MetricsHelper::Decision decision) {}
 
 void IOSChromeMetricsHelper::RecordExtraUserInteractionMetrics(
     security_interstitials::MetricsHelper::Interaction interaction) {}
 
 void IOSChromeMetricsHelper::RecordExtraShutdownMetrics() {}