[Sync] Move SharedModelTypeProcessor to model_impl/.

components/sync/BUILD.gn

Index: components/sync/BUILD.gn
diff --git a/components/sync/BUILD.gn b/components/sync/BUILD.gn
index bb8ce35924a28ea4fea5a9561a7a1e72db120e89..38742eff5c93b345b6d1afef642624ce2bc8ec8c 100644
--- a/components/sync/BUILD.gn
+++ b/components/sync/BUILD.gn
@@ -100,10 +100,6 @@ static_library("sync") {
     "core/model_type_store_impl.h",
     "core/non_blocking_sync_common.cc",
     "core/non_blocking_sync_common.h",
-    "core/processor_entity_tracker.cc",
-    "core/processor_entity_tracker.h",
-    "core/shared_model_type_processor.cc",
-    "core/shared_model_type_processor.h",
     "core/shutdown_reason.h",
     "core/simple_metadata_change_list.cc",
     "core/simple_metadata_change_list.h",
@@ -426,6 +422,8 @@ static_library("sync") {
     "model/metadata_change_list.h",
     "model/model_type_change_processor.cc",
     "model/model_type_change_processor.h",
+    "model/model_type_debug_info.cc",
+    "model/model_type_debug_info.h",
     "model/model_type_service.cc",
     "model/model_type_service.h",
     "model/model_type_store.cc",
@@ -449,6 +447,10 @@ static_library("sync") {
     "model_impl/attachments/attachment_service_impl.cc",
     "model_impl/attachments/attachment_service_impl.h",
     "model_impl/attachments/task_queue.h",
+    "model_impl/processor_entity_tracker.cc",
+    "model_impl/processor_entity_tracker.h",
+    "model_impl/shared_model_type_processor.cc",
+    "model_impl/shared_model_type_processor.h",
     "protocol/proto_enum_conversions.cc",
     "protocol/proto_enum_conversions.h",
     "protocol/proto_value_conversions.cc",
@@ -804,14 +806,11 @@ source_set("unit_tests") {
     "core/data_batch_impl_unittest.cc",
     "core/model_type_store_backend_unittest.cc",
     "core/model_type_store_impl_unittest.cc",
-    "core/processor_entity_tracker_unittest.cc",
-    "core/shared_model_type_processor_unittest.cc",
     "core/simple_metadata_change_list_unittest.cc",
     "core_impl/debug_info_event_listener_unittest.cc",
     "core_impl/js_mutation_event_observer_unittest.cc",
     "core_impl/js_sync_encryption_handler_observer_unittest.cc",
     "core_impl/js_sync_manager_observer_unittest.cc",
-    "core_impl/model_type_connector_proxy_unittest.cc",
     "core_impl/protocol_event_buffer_unittest.cc",
     "core_impl/sync_encryption_handler_impl_unittest.cc",
     "core_impl/sync_manager_impl_unittest.cc",
@@ -878,6 +877,8 @@ source_set("unit_tests") {
     "model/sync_merge_result_unittest.cc",
     "model_impl/attachments/attachment_service_impl_unittest.cc",
     "model_impl/attachments/task_queue_unittest.cc",
+    "model_impl/processor_entity_tracker_unittest.cc",
+    "model_impl/shared_model_type_processor_unittest.cc",
     "protocol/proto_enum_conversions_unittest.cc",
     "protocol/proto_value_conversions_unittest.cc",
     "syncable/change_record_unittest.cc",