[Sync] ApplySyncChanges autofill implementation.

components/autofill/core/browser/webdata/autofill_entry.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/webdata/autofill_entry.h"
 
 #include <tuple>
 
 #include "base/strings/utf_string_conversions.h"
 
@@ skipping 20 matching lines @@
 AutofillKey::~AutofillKey() {}
 
 bool AutofillKey::operator==(const AutofillKey& key) const {
   return name_ == key.name() && value_ == key.value();
 }
 
 bool AutofillKey::operator<(const AutofillKey& key) const {
   return std::tie(name_, value_) < std::tie(key.name(), key.value());
 }
 
+AutofillEntry::AutofillEntry() {}
+
 AutofillEntry::AutofillEntry(const AutofillKey& key,
                              const base::Time& date_created,
                              const base::Time& date_last_used)
     : key_(key),
       date_created_(date_created),
       date_last_used_(date_last_used) {}
 
 AutofillEntry::~AutofillEntry() {}
 
 bool AutofillEntry::operator==(const AutofillEntry& entry) const {
   return key() == entry.key() &&
          date_created() == entry.date_created() &&
          date_last_used() == entry.date_last_used();
 }
 
+bool AutofillEntry::operator!=(const AutofillEntry& entry) const {

[maxbogue, 2017/01/12 00:15:17]

How does this not come with operator==...? Oh C++...

[skym, 2017/01/12 17:44:00]

Acknowledged.

+  return !(*this == entry);
+}
+
 bool AutofillEntry::operator<(const AutofillEntry& entry) const {
   return key_ < entry.key();
 }
 
 }  // namespace autofill