Fix DCHECK caused by passing a parameter to a string that doesn't have a placeholder.

chrome/browser/dom_ui/flags_ui.cc

Index: chrome/browser/dom_ui/flags_ui.cc
diff --git a/chrome/browser/dom_ui/flags_ui.cc b/chrome/browser/dom_ui/flags_ui.cc
index a21bda2a17805396717c6697428eebd195efc8f7..7688579000b15e0cd3d713296620e983c704a483 100644
--- a/chrome/browser/dom_ui/flags_ui.cc
+++ b/chrome/browser/dom_ui/flags_ui.cc
@@ -66,9 +66,8 @@ void FlagsUIHTMLSource::StartDataRequest(const std::string& path,
       l10n_util::GetStringUTF16(IDS_FLAGS_NO_EXPERIMENTS_AVAILABLE));
   localized_strings.SetString("flagsWarningHeader", l10n_util::GetStringUTF16(
       IDS_FLAGS_WARNING_HEADER));
-  localized_strings.SetString("flagsBlurb", l10n_util::GetStringFUTF16(
-      IDS_FLAGS_WARNING_TEXT,
-      l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
+  localized_strings.SetString("flagsBlurb", l10n_util::GetStringUTF16(
+      IDS_FLAGS_WARNING_TEXT));
   localized_strings.SetString("flagsRestartNotice", l10n_util::GetStringFUTF16(
       IDS_FLAGS_RESTART_NOTICE,
       l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));