Move StartsWith[ASCII] to base namespace.

chrome/browser/predictors/autocomplete_action_predictor_unittest.cc

Index: chrome/browser/predictors/autocomplete_action_predictor_unittest.cc
diff --git a/chrome/browser/predictors/autocomplete_action_predictor_unittest.cc b/chrome/browser/predictors/autocomplete_action_predictor_unittest.cc
index 707a6503fa35e7f7867752125c772608be6cb8ed..00562c69ad27ced197e29ea84146fc237a31cac7 100644
--- a/chrome/browser/predictors/autocomplete_action_predictor_unittest.cc
+++ b/chrome/browser/predictors/autocomplete_action_predictor_unittest.cc
@@ -321,7 +321,8 @@ TEST_F(AutocompleteActionPredictorTest, DeleteOldIdsFromCaches) {
     std::string row_id = AddRow(test_url_db[i]);
     all_ids.push_back(row_id);
 
-    bool exclude_url = StartsWithASCII(test_url_db[i].url.path(), "/d", true) ||
+    bool exclude_url =
+        base::StartsWithASCII(test_url_db[i].url.path(), "/d", true) ||
         (test_url_db[i].days_from_now > maximum_days_to_keep_entry());
 
     if (exclude_url)