Fix crash on mergeSync

components/reading_list/ios/reading_list_store.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/reading_list/ios/reading_list_store.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "components/reading_list/ios/proto/reading_list.pb.h"
@@ skipping 217 matching lines @@
       // Notify model about updated entry.
       delegate_->SyncAddEntry(std::move(entry));
     } else {
       // Merge the local data and the sync data and store the result.
       ReadingListEntry* merged_entry =
           delegate_->SyncMergeEntry(std::move(entry));
 
       // Write to the store.
       std::unique_ptr<reading_list::ReadingListLocal> entry_local_pb =
           merged_entry->AsReadingListLocal();
-      batch_->WriteData(entry->URL().spec(),
+      batch_->WriteData(merged_entry->URL().spec(),
                         entry_local_pb->SerializeAsString());
 
       // Send to sync
       std::unique_ptr<sync_pb::ReadingListSpecifics> entry_sync_pb =
           merged_entry->AsReadingListSpecifics();
       DCHECK(CompareEntriesForSync(specifics, *entry_sync_pb));
       auto entity_data = base::MakeUnique<syncer::EntityData>();
       *(entity_data->specifics.mutable_reading_list()) = *entry_sync_pb;
       entity_data->non_unique_name = entry_sync_pb->entry_id();
 
@@ skipping 193 matching lines @@
     if (rhs.first_read_time_us() == 0 && lhs.first_read_time_us() != 0) {
       return false;
     }
     if (rhs.first_read_time_us() > lhs.first_read_time_us() &&
         lhs.first_read_time_us() != 0) {
       return false;
     }
   }
   return true;
 }