[USS] Change the place where SharedModelTypeProcessor got created

sync/internal_api/test/fake_model_type_service.cc

Index: sync/internal_api/test/fake_model_type_service.cc
diff --git a/sync/internal_api/test/fake_model_type_service.cc b/sync/internal_api/test/fake_model_type_service.cc
index 8f1e14c9f22b4279c583d078aec1bdbf43aa6c30..e2ac7c9264ec52a9271a893b238b93cfc6a0d472 100644
--- a/sync/internal_api/test/fake_model_type_service.cc
+++ b/sync/internal_api/test/fake_model_type_service.cc
@@ -4,9 +4,14 @@
 
 #include "sync/internal_api/public/test/fake_model_type_service.h"
 
+#include "base/bind.h"
+
 namespace syncer_v2 {
 
-FakeModelTypeService::FakeModelTypeService() {}
+FakeModelTypeService::FakeModelTypeService()
+    : ModelTypeService(
+          base::Bind(&FakeModelTypeService::CreateProcessorForTestWrapper,
+                     base::Unretained(this))) {}
 
 FakeModelTypeService::~FakeModelTypeService() {}
 
@@ -38,4 +43,20 @@ std::string FakeModelTypeService::GetClientTag(const EntityData& entity_data) {
 
 void FakeModelTypeService::OnChangeProcessorSet() {}
 
+syncer::ModelType FakeModelTypeService::type() const {
+  return syncer::DEVICE_INFO;
+}
+
+ModelTypeChangeProcessor* FakeModelTypeService::CreateProcessorForTest(
+    syncer::ModelType type,
+    ModelTypeService* service) {
+  return nullptr;
+}
+
+scoped_ptr<ModelTypeChangeProcessor>
+FakeModelTypeService::CreateProcessorForTestWrapper(syncer::ModelType type,
+                                                    ModelTypeService* service) {
+  return make_scoped_ptr(CreateProcessorForTest(type, service));
+}
+
 }  // namespace syncer_v2