Password Manager should skip fields with credit card autocomplete attribute.

components/autofill/content/renderer/password_form_conversion_utils_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
@@ skipping 1487 matching lines @@
 
 TEST_F(MAYBE_PasswordFormConversionUtilsTest, TooManyFieldsToParseForm) {
   PasswordFormBuilder builder(kTestFormActionURL);
   for (size_t i = 0; i < form_util::kMaxParseableFields + 1; ++i)
     builder.AddTextField("id", "value", "autocomplete");
   std::unique_ptr<PasswordForm> password_form =
       LoadHTMLAndConvertForm(builder.ProduceHTML(), nullptr, false);
   EXPECT_FALSE(password_form);
 }
 
+TEST_F(MAYBE_PasswordFormConversionUtilsTest, OnlyCreditCardFields) {
+  PasswordFormBuilder builder(kTestFormActionURL);
+  builder.AddTextField("ccname", "johnsmith", "cc-name");
+  builder.AddPasswordField("cc_security_code", "0123456789", "cc-csc");
+  builder.AddSubmitButton("submit");
+  std::string html = builder.ProduceHTML();
+
+  std::unique_ptr<PasswordForm> password_form =
+      LoadHTMLAndConvertForm(html, nullptr, false);
+  EXPECT_FALSE(password_form);
+}
+
+TEST_F(MAYBE_PasswordFormConversionUtilsTest,
+       FieldsWithAndWithoutCreditCardAttributes) {
+  PasswordFormBuilder builder(kTestFormActionURL);
+  builder.AddTextField("username", "johnsmith", nullptr);
+  builder.AddTextField("ccname", "john_smith", "cc-name");
+  builder.AddPasswordField("cc_security_code", "0123456789", "random cc-csc");
+  builder.AddPasswordField("password", "secret", nullptr);
+  builder.AddSubmitButton("submit");
+  std::string html = builder.ProduceHTML();
+
+  std::unique_ptr<PasswordForm> password_form =
+      LoadHTMLAndConvertForm(html, nullptr, false);
+
+  ASSERT_TRUE(password_form);
+
+  EXPECT_EQ(base::UTF8ToUTF16("username"), password_form->username_element);
+  EXPECT_EQ(base::UTF8ToUTF16("johnsmith"), password_form->username_value);
+  EXPECT_EQ(base::UTF8ToUTF16("password"), password_form->password_element);
+  EXPECT_EQ(base::UTF8ToUTF16("secret"), password_form->password_value);
+}
+
 }  // namespace autofill