Modified to allow to preserve two-word string in first-name and last-name in autofill profile.

components/autofill/core/browser/contact_info_unittest.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 "components/autofill/core/browser/contact_info.h"
 
 #include "base/basictypes.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill_type.h"
@@ skipping 86 matching lines @@
 
   name.SetRawInfo(NAME_FIRST, ASCIIToUTF16("First"));
   name.SetRawInfo(NAME_MIDDLE, ASCIIToUTF16("Middle"));
   name.SetRawInfo(NAME_LAST, ASCIIToUTF16("Last"));
   EXPECT_EQ(name.GetRawInfo(NAME_FIRST), ASCIIToUTF16("First"));
   EXPECT_EQ(name.GetRawInfo(NAME_MIDDLE), ASCIIToUTF16("Middle"));
   EXPECT_EQ(name.GetRawInfo(NAME_LAST), ASCIIToUTF16("Last"));
   EXPECT_EQ(name.GetRawInfo(NAME_FULL), ASCIIToUTF16("First Middle Last"));
 }
 
+TEST(NameInfoTest, Compare) {
+  NameInfo a, b;
+  a.SetRawInfo(NAME_FIRST, ASCIIToUTF16("First"));
+  a.SetRawInfo(NAME_MIDDLE, ASCIIToUTF16("Middle"));
+  a.SetRawInfo(NAME_LAST, ASCIIToUTF16("Last"));
+
+  // Result of assignment should be logically equal to the original NameInfo.
+  b = a;
+  EXPECT_TRUE(a == b);
+
+  // a{first|middle|last} is not equal to b{first||middle last}
+  a.SetRawInfo(NAME_FULL, ASCIIToUTF16("First Middle Last"));
+  b.SetRawInfo(NAME_FIRST, ASCIIToUTF16("First"));
+  b.SetRawInfo(NAME_MIDDLE, base::string16());
+  b.SetRawInfo(NAME_LAST, ASCIIToUTF16("Middle Last"));
+  EXPECT_TRUE(a != b);
+
+  // Case insensitive compare, upper-case the first name and last name.
+  b.SetRawInfo(NAME_FULL, ASCIIToUTF16("FIRST Middle LAST"));
+  EXPECT_TRUE(a == b);
+}
 }  // namespace autofill