base::ListValue::Append cleanup: pass unique_ptr instead of the released pointer.

components/invalidation/impl/unacked_invalidation_set.cc

 // Copyright 2014 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/invalidation/impl/unacked_invalidation_set.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "components/invalidation/public/ack_handle.h"
 #include "components/invalidation/public/object_id_invalidation_map.h"
 
@@ skipping 147 matching lines @@
 }
 
 std::unique_ptr<base::DictionaryValue> UnackedInvalidationSet::ToValue() const {
   std::unique_ptr<base::DictionaryValue> value(new base::DictionaryValue);
   value->SetString(kSourceKey, base::IntToString(object_id_.source()));
   value->SetString(kNameKey, object_id_.name());
 
   std::unique_ptr<base::ListValue> list_value(new base::ListValue);
   for (InvalidationsSet::const_iterator it = invalidations_.begin();
        it != invalidations_.end(); ++it) {
-    list_value->Append(it->ToValue().release());
+    list_value->Append(it->ToValue());
   }
   value->Set(kInvalidationListKey, list_value.release());
 
   return value;
 }
 
 bool UnackedInvalidationSet::ResetFromValue(
     const base::DictionaryValue& value) {
   std::string source_str;
   if (!value.GetString(kSourceKey, &source_str)) {
@@ skipping 56 matching lines @@
   // an UnknownVersion invalidation.  We remove the oldest remaining
   // invalidation to make room for it.
   invalidation::ObjectId id = invalidations_.begin()->object_id();
   invalidations_.erase(*invalidations_.begin());
 
   Invalidation unknown_version = Invalidation::InitUnknownVersion(id);
   invalidations_.insert(unknown_version);
 }
 
 }  // namespace syncer