[Reland] Refactoring of SBER preference usage

chrome/browser/interstitials/security_interstitial_page.cc

Index: chrome/browser/interstitials/security_interstitial_page.cc
diff --git a/chrome/browser/interstitials/security_interstitial_page.cc b/chrome/browser/interstitials/security_interstitial_page.cc
index 5ba1e03956f5bfe1cb6f7c500b3c0b885f25db0c..0a96a3f9af9b38b8532250bc45802e520cb327fe 100644
--- a/chrome/browser/interstitials/security_interstitial_page.cc
+++ b/chrome/browser/interstitials/security_interstitial_page.cc
@@ -70,10 +70,12 @@ void SecurityInterstitialPage::Show() {
   AfterShow();
 }
 
+Profile* SecurityInterstitialPage::profile() {
+  return Profile::FromBrowserContext(web_contents()->GetBrowserContext());
+}
+
 bool SecurityInterstitialPage::IsPrefEnabled(const char* pref) {
-  Profile* profile =
-      Profile::FromBrowserContext(web_contents()->GetBrowserContext());
-  return profile->GetPrefs()->GetBoolean(pref);
+  return profile()->GetPrefs()->GetBoolean(pref);
 }
 
 ChromeControllerClient* SecurityInterstitialPage::controller() {