[Autofill] Add credit card first and last name heuristics predictions.

components/autofill/core/browser/autofill_data_util_unittest.cc

+// Copyright 2016 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 "components/autofill/core/browser/autofill_data_util.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace autofill {
+namespace data_util {
+
+TEST(AutofillDataUtilTest, SplitName) {
+  typedef struct {
+    std::string full_name;
+    std::string given_name;
+    std::string middle_name;
+    std::string family_name;
+
+  } TestCase;
+
+  TestCase test_cases[] = {
+      // Full name including given, middle and family names.
+      {"Homer Jay Simpson", "Homer", "Jay", "Simpson"},
+      // No middle name.
+      {"Moe Szyslak", "Moe", "", "Szyslak"},
+      // Common name prefixes removed.
+      {"Reverend Timothy Lovejoy", "Timothy", "", "Lovejoy"},
+      // Common name suffixes removed.
+      {"John Frink Phd", "John", "", "Frink"},
+      // Exception to the name suffix removal.
+      {"John Ma", "John", "", "Ma"},
+      // Common family name prefixes not considered a middle name.
+      {"Milhouse Van Houten", "Milhouse", "", "Van Houten"}};
+
+  for (TestCase test_case : test_cases) {
+    NameParts name_parts = SplitName(base::UTF8ToUTF16(test_case.full_name));
+
+    EXPECT_EQ(base::UTF8ToUTF16(test_case.given_name), name_parts.given);
+    EXPECT_EQ(base::UTF8ToUTF16(test_case.middle_name), name_parts.middle);
+    EXPECT_EQ(base::UTF8ToUTF16(test_case.family_name), name_parts.family);
+  }
+}
+
+}  // namespace data_util
+}  // namespace autofill