Move enable extensions define to a build flag.

chrome/browser/interstitials/chrome_metrics_helper.cc

 // 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 "chrome/browser/interstitials/chrome_metrics_helper.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/features.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/rappor/rappor_service.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/features/features.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/api/experience_sampling_private/experience_sampling.h"
 #endif
 
 #if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
 #include "chrome/browser/ssl/captive_portal_metrics_recorder.h"
 #endif
 
 ChromeMetricsHelper::ChromeMetricsHelper(
     content::WebContents* web_contents,
     const GURL& request_url,
     const security_interstitials::MetricsHelper::ReportDetails settings,
     const std::string& sampling_event_name)
     : security_interstitials::MetricsHelper(
           request_url,
           settings,
           HistoryServiceFactory::GetForProfile(
               Profile::FromBrowserContext(web_contents->GetBrowserContext()),
               ServiceAccessType::EXPLICIT_ACCESS),
           g_browser_process->rappor_service()
               ? g_browser_process->rappor_service()->AsWeakPtr()
               : base::WeakPtr<rappor::RapporService>()),
-#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION) || defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION) || BUILDFLAG(ENABLE_EXTENSIONS)
       web_contents_(web_contents),
 #endif
       request_url_(request_url),
       sampling_event_name_(sampling_event_name) {
   DCHECK(!sampling_event_name_.empty());
 }
 
 ChromeMetricsHelper::~ChromeMetricsHelper() {}
 
 void ChromeMetricsHelper::StartRecordingCaptivePortalMetrics(bool overridable) {
 #if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
   captive_portal_recorder_.reset(
       new CaptivePortalMetricsRecorder(web_contents_, overridable));
 #endif
 }
 
 void ChromeMetricsHelper::RecordExtraShutdownMetrics() {
 #if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
   // The captive portal metrics should be recorded when the interstitial is
   // closing (or destructing).
   if (captive_portal_recorder_)
     captive_portal_recorder_->RecordCaptivePortalUMAStatistics();
 #endif
 }
 
 void ChromeMetricsHelper::RecordExtraUserDecisionMetrics(
     security_interstitials::MetricsHelper::Decision decision) {
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   if (!sampling_event_.get()) {
     sampling_event_.reset(new extensions::ExperienceSamplingEvent(
         sampling_event_name_, request_url_,
         web_contents_->GetLastCommittedURL(),
         web_contents_->GetBrowserContext()));
   }
   switch (decision) {
     case PROCEED:
       sampling_event_->CreateUserDecisionEvent(
           extensions::ExperienceSamplingEvent::kProceed);
       break;
     case DONT_PROCEED:
       sampling_event_->CreateUserDecisionEvent(
           extensions::ExperienceSamplingEvent::kDeny);
       break;
     case SHOW:
     case PROCEEDING_DISABLED:
     case MAX_DECISION:
       break;
   }
 #endif
 }
 
 void ChromeMetricsHelper::RecordExtraUserInteractionMetrics(
     security_interstitials::MetricsHelper::Interaction interaction) {
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   if (!sampling_event_.get()) {
     sampling_event_.reset(new extensions::ExperienceSamplingEvent(
         sampling_event_name_, request_url_,
         web_contents_->GetLastCommittedURL(),
         web_contents_->GetBrowserContext()));
   }
   switch (interaction) {
     case SHOW_LEARN_MORE:
       sampling_event_->set_has_viewed_learn_more(true);
       break;
     case SHOW_ADVANCED:
       sampling_event_->set_has_viewed_details(true);
       break;
     case SHOW_PRIVACY_POLICY:
     case SHOW_DIAGNOSTIC:
     case RELOAD:
     case OPEN_TIME_SETTINGS:
     case TOTAL_VISITS:
     case SET_EXTENDED_REPORTING_ENABLED:
     case SET_EXTENDED_REPORTING_DISABLED:
     case EXTENDED_REPORTING_IS_ENABLED:
     case REPORT_PHISHING_ERROR:
     case SHOW_WHITEPAPER:
     case MAX_INTERACTION:
       break;
   }
 #endif
 }