[Password Generation] Use signatures for form matching

components/autofill/core/common/form_field_data.h

Index: components/autofill/core/common/form_field_data.h
diff --git a/components/autofill/core/common/form_field_data.h b/components/autofill/core/common/form_field_data.h
index 451249cd4404f67a95cf84e909005bb771eff0d5..dbcb3ea445e55fed9137b3bfd2f50161cf4e4bcb 100644
--- a/components/autofill/core/common/form_field_data.h
+++ b/components/autofill/core/common/form_field_data.h
@@ -103,12 +103,6 @@ bool DeserializeFormFieldData(base::PickleIterator* pickle_iterator,
 // So we can compare FormFieldDatas with EXPECT_EQ().
 std::ostream& operator<<(std::ostream& os, const FormFieldData& field);
 
-bool IsCheckable(const FormFieldData::CheckStatus& check_status);
-bool IsChecked(const FormFieldData::CheckStatus& check_status);
-void SetCheckStatus(FormFieldData* form_field_data,
-                    bool isCheckable,
-                    bool isChecked);
-
 // Prefer to use this macro in place of |EXPECT_EQ()| for comparing
 // |FormFieldData|s in test code.
 #define EXPECT_FORM_FIELD_DATA_EQUALS(expected, actual)                        \