Update interstitials to match the new security indicators

components/security_interstitials/core/common_string_util.cc

Index: components/security_interstitials/core/common_string_util.cc
diff --git a/components/security_interstitials/core/common_string_util.cc b/components/security_interstitials/core/common_string_util.cc
index 2cb0375d0d08e0a84ffcd08f0631a353f08a6d67..c5f01ea9669ac3c591fdd0feecaee935998c6ab8 100644
--- a/components/security_interstitials/core/common_string_util.cc
+++ b/components/security_interstitials/core/common_string_util.cc
@@ -4,6 +4,7 @@
 
 #include "components/security_interstitials/core/common_string_util.h"
 
+#include "base/feature_list.h"
 #include "base/i18n/rtl.h"
 #include "base/i18n/time_formatting.h"
 #include "base/strings/string_util.h"
@@ -12,6 +13,11 @@
 #include "net/base/net_errors.h"
 #include "ui/base/l10n/l10n_util.h"
 
+namespace {
+  const base::Feature kSecurityWarningIconUpdate{
+      "SecurityWarningIconUpdate", base::FEATURE_DISABLED_BY_DEFAULT};
+}  // namespace
+
 namespace security_interstitials {
 
 namespace common_string_util {
@@ -50,6 +56,11 @@ void PopulateSSLDebuggingStrings(const net::SSLInfo ssl_info,
       "pem", base::JoinString(encoded_chain, base::StringPiece()));
 }
 
+void PopulateNewIconStrings(base::DictionaryValue* load_time_data) {
+  load_time_data->SetBoolean(
+      "iconUpdate", base::FeatureList::IsEnabled(kSecurityWarningIconUpdate));
+}
+
 }  // namespace common_string_util
 
 }  // namespace security_interstitials