[Sync] Migrate bridge implementations to change list based MergeSyncData

components/reading_list/core/reading_list_model_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/reading_list/core/reading_list_model.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/test/simple_test_clock.h"
 #include "components/reading_list/core/reading_list_model_impl.h"
@@ skipping 97 matching lines @@
 
   // Syncing is not used in this test class.
   std::unique_ptr<syncer::MetadataChangeList> CreateMetadataChangeList()
       override {
     NOTREACHED();
     return std::unique_ptr<syncer::MetadataChangeList>();
   }
 
   base::Optional<syncer::ModelError> MergeSyncData(
       std::unique_ptr<syncer::MetadataChangeList> metadata_change_list,
-      syncer::EntityDataMap entity_data_map) override {
+      syncer::EntityChangeList entity_data) override {
     NOTREACHED();
     return {};
   }
 
   base::Optional<syncer::ModelError> ApplySyncChanges(
       std::unique_ptr<syncer::MetadataChangeList> metadata_change_list,
       syncer::EntityChangeList entity_changes) override {
     NOTREACHED();
     return {};
   }
@@ skipping 612 matching lines @@
   model_->SetReadStatus(gurl, true);
   const ReadingListEntry* entry = model_->GetEntryByURL(gurl);
   EXPECT_EQ(entry->Title(), "This title contains new line characters");
   model_->SetEntryTitle(gurl, "test");
   EXPECT_EQ(entry->Title(), "test");
   model_->SetEntryTitle(gurl, title);
   EXPECT_EQ(entry->Title(), "This title contains new line characters");
 }
 
 }  // namespace