Make Use of Value::GetList API

chrome/browser/net/predictor.cc

Index: chrome/browser/net/predictor.cc
diff --git a/chrome/browser/net/predictor.cc b/chrome/browser/net/predictor.cc
index 04a7ec424755251c1665b05010142ccdded3b0d3..55abb0daef794a0976023af884540b7947bdb8be 100644
--- a/chrome/browser/net/predictor.cc
+++ b/chrome/browser/net/predictor.cc
@@ -560,12 +560,14 @@ void Predictor::DeserializeReferrers(const base::ListValue& referral_list) {
   if (referral_list.GetSize() > 0 &&
       referral_list.GetInteger(0, &format_version) &&
       format_version == kPredictorReferrerVersion) {
+    const auto& list = referral_list.base::Value::GetList();
     for (size_t i = 1; i < referral_list.GetSize(); ++i) {
-      const base::ListValue* motivator;
-      if (!referral_list.GetList(i, &motivator)) {
+      if (!list[i].is_list()) {
         NOTREACHED();
         return;
       }
+      const base::ListValue* motivator =
+          static_cast<const base::ListValue*>(&list[i]);
       std::string motivating_url_spec;
       if (!motivator->GetString(0, &motivating_url_spec)) {
         NOTREACHED();