[Sync] Move GenerateSyncableHash to base.

components/sync/model_impl/shared_model_type_processor.cc

Index: components/sync/model_impl/shared_model_type_processor.cc
diff --git a/components/sync/model_impl/shared_model_type_processor.cc b/components/sync/model_impl/shared_model_type_processor.cc
index fdb175699b237164a9d6a8dc0db6da427f563504..b55963b38da1a4620e56db764787aa9626c5760d 100644
--- a/components/sync/model_impl/shared_model_type_processor.cc
+++ b/components/sync/model_impl/shared_model_type_processor.cc
@@ -12,11 +12,11 @@
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/threading/thread_task_runner_handle.h"
+#include "components/sync/base/hash_util.h"
 #include "components/sync/engine/activation_context.h"
 #include "components/sync/engine/commit_queue.h"
 #include "components/sync/engine/model_type_processor_proxy.h"
 #include "components/sync/model_impl/processor_entity_tracker.h"
-#include "components/sync/syncable/syncable_util.h"
 
 namespace syncer {
 
@@ -596,7 +596,7 @@ void SharedModelTypeProcessor::ConsumeDataBatch(
 }
 
 std::string SharedModelTypeProcessor::GetHashForTag(const std::string& tag) {
-  return syncable::GenerateSyncableHash(type_, tag);
+  return GenerateSyncableHash(type_, tag);
 }
 
 std::string SharedModelTypeProcessor::GetClientTagHash(