Skeleton for showing "Show all saved passwords row" for Linux/CrOs/Windows platforms

components/autofill/core/browser/test_autofill_client.cc

Index: components/autofill/core/browser/test_autofill_client.cc
diff --git a/components/autofill/core/browser/test_autofill_client.cc b/components/autofill/core/browser/test_autofill_client.cc
index 10e671cb9917dbe3af570040b2535a1a70196791..72f2eefe6473faa0c0c1459ea4f084d8b6211af1 100644
--- a/components/autofill/core/browser/test_autofill_client.cc
+++ b/components/autofill/core/browser/test_autofill_client.cc
@@ -136,9 +136,9 @@ bool TestAutofillClient::ShouldShowSigninPromo() {
   return false;
 }
 
-void TestAutofillClient::StartSigninFlow() {}
-
-void TestAutofillClient::ShowHttpNotSecureExplanation() {}
+bool TestAutofillClient::ExecuteCommand(int id) {
+  return false;
+}
 
 bool TestAutofillClient::IsAutofillSupported() {
   return true;