Revert of [Sync] Componentize ProfileSyncComponentsFactoryImpl

components/sync_driver/fake_sync_client.cc

Index: components/sync_driver/fake_sync_client.cc
diff --git a/components/sync_driver/fake_sync_client.cc b/components/sync_driver/fake_sync_client.cc
index 8645c2d6d283aa2e3f29d6f9fb22247d3ba09730..51e2b38aec1b917a6bb5c5395c830cc9dc938c4c 100644
--- a/components/sync_driver/fake_sync_client.cc
+++ b/components/sync_driver/fake_sync_client.cc
@@ -15,9 +15,6 @@
 namespace {
 
 void DummyClearBrowsingDataCallback(base::Time start, base::Time end) {}
-
-void DummyRegisterPlatformTypesCallback(syncer::ModelTypeSet,
-                                        syncer::ModelTypeSet) {}
 
 }  // namespace
 
@@ -66,11 +63,6 @@
   return base::Bind(&base::DoNothing);
 }
 
-sync_driver::SyncApiComponentFactory::RegisterDataTypesMethod
-FakeSyncClient::GetRegisterPlatformTypesCallback() {
-  return base::Bind(&DummyRegisterPlatformTypesCallback);
-}
-
 autofill::PersonalDataManager* FakeSyncClient::GetPersonalDataManager() {
   return nullptr;
 }