[Autofill] Fix of crashes caused by show-autofill-signatures flag

components/autofill/core/common/autofill_util.cc

Index: components/autofill/core/common/autofill_util.cc
diff --git a/components/autofill/core/common/autofill_util.cc b/components/autofill/core/common/autofill_util.cc
index bc458a9609cd5331fc11fb2800dd4798eb9ec76d..c20ac562e437da1251f2ebd97580db54080fa7ee 100644
--- a/components/autofill/core/common/autofill_util.cc
+++ b/components/autofill/core/common/autofill_util.cc
@@ -42,6 +42,11 @@ bool IsFeatureSubstringMatchEnabled() {
       switches::kEnableSuggestionsWithSubstringMatch);
 }
 
+bool IsShowAutofillSignaturesEnabled() {
+  return base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kShowAutofillSignatures);
+}
+
 bool IsKeyboardAccessoryEnabled() {
 #if defined(OS_ANDROID)
   return base::CommandLine::ForCurrentProcess()->HasSwitch(