sync: Remove ModelTypeInvalidationMap

sync/internal_api/public/engine/model_safe_worker.h

Index: sync/internal_api/public/engine/model_safe_worker.h
diff --git a/sync/internal_api/public/engine/model_safe_worker.h b/sync/internal_api/public/engine/model_safe_worker.h
index 0f415942bd32f0c083e6f0032d737f4d5695d35d..75f03456e26694df54ff80165e640b2c17c1087a 100644
--- a/sync/internal_api/public/engine/model_safe_worker.h
+++ b/sync/internal_api/public/engine/model_safe_worker.h
@@ -16,7 +16,6 @@
 #include "base/synchronization/waitable_event.h"
 #include "sync/base/sync_export.h"
 #include "sync/internal_api/public/base/model_type.h"
-#include "sync/internal_api/public/base/model_type_invalidation_map.h"
 #include "sync/internal_api/public/util/syncer_error.h"
 
 namespace base {
@@ -149,13 +148,6 @@ SYNC_EXPORT_PRIVATE base::DictionaryValue* ModelSafeRoutingInfoToValue(
 SYNC_EXPORT std::string ModelSafeRoutingInfoToString(
     const ModelSafeRoutingInfo& routing_info);
 
-// Make a ModelTypeInvalidationMap for all the enabled types in a
-// ModelSafeRoutingInfo using a default payload.
-SYNC_EXPORT_PRIVATE ModelTypeInvalidationMap
-    ModelSafeRoutingInfoToInvalidationMap(
-        const ModelSafeRoutingInfo& routes,
-        const std::string& payload);
-
 SYNC_EXPORT ModelTypeSet GetRoutingInfoTypes(
     const ModelSafeRoutingInfo& routing_info);