base: Remove the string logging from CHECK().

components/sync/engine_impl/loopback_server/loopback_server_entity.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/sync/engine_impl/loopback_server/loopback_server_entity.h"
 
 #include <stdint.h>
 
 #include <limits>
 #include <memory>
@@ skipping 47 matching lines @@
           entity.entity().id_string(), entity.entity().version(),
           syncer::GetModelType(entity.entity()), entity.entity().name(),
           entity.entity().parent_id_string(),
           entity.entity().server_defined_unique_tag(),
           entity.entity().specifics());
     case sync_pb::LoopbackServerEntity_Type_BOOKMARK:
       return PersistentBookmarkEntity::CreateFromEntity(entity.entity());
     case sync_pb::LoopbackServerEntity_Type_UNIQUE:
       return PersistentUniqueClientEntity::Create(entity.entity());
     case sync_pb::LoopbackServerEntity_Type_UNKNOWN:
-      CHECK(false) << "Unknown type encountered";
+      // Unknown type encountered
+      CHECK(false);
       return std::unique_ptr<LoopbackServerEntity>(nullptr);
   }
   NOTREACHED();
   return std::unique_ptr<LoopbackServerEntity>(nullptr);
 }
 
 const std::string& LoopbackServerEntity::GetId() const {
   return id_;
 }
 
@@ skipping 96 matching lines @@
 }
 
 void LoopbackServerEntity::SerializeAsLoopbackServerEntity(
     sync_pb::LoopbackServerEntity* entity) const {
   entity->set_type(GetLoopbackServerEntityType());
   entity->set_model_type(static_cast<int64_t>(GetModelType()));
   SerializeAsProto(entity->mutable_entity());
 }
 
 }  // namespace syncer