cleanup scheduler's in-tree plugins registry naming

pkg/scheduler/framework/plugins/BUILD

@@ -2,7 +2,7 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 
 go_library(
     name = "go_default_library",
-    srcs = ["default_registry.go"],
+    srcs = ["registry.go"],
     importpath = "k8s.io/kubernetes/pkg/scheduler/framework/plugins",
     visibility = ["//visibility:public"],
     deps = [
@@ -72,7 +72,7 @@ filegroup(
 
 go_test(
     name = "go_default_test",
-    srcs = ["default_registry_test.go"],
+    srcs = ["registry_test.go"],
     embed = [":go_default_library"],
     deps = [
         "//pkg/scheduler/apis/config:go_default_library",

pkg/scheduler/framework/plugins/registry.go

@@ -52,10 +52,10 @@ type RegistryArgs struct {
 	VolumeBinder *volumebinder.VolumeBinder
 }
 
-// NewDefaultRegistry builds the default registry with all the in-tree plugins.
-// This is the registry that Kubernetes default scheduler uses. A scheduler that runs out of tree
-// plugins can register additional plugins through the WithFrameworkOutOfTreeRegistry option.
-func NewDefaultRegistry(args *RegistryArgs) framework.Registry {
+// NewInTreeRegistry builds the registry with all the in-tree plugins.
+// A scheduler that runs out of tree plugins can register additional plugins
+// through the WithFrameworkOutOfTreeRegistry option.
+func NewInTreeRegistry(args *RegistryArgs) framework.Registry {
 	return framework.Registry{
 		defaultpodtopologyspread.Name:        defaultpodtopologyspread.New,
 		imagelocality.Name:                   imagelocality.New,
@@ -115,8 +115,8 @@ type ConfigProducerRegistry struct {
 	PriorityToConfigProducer  map[string]ConfigProducer
 }
 
-// NewDefaultConfigProducerRegistry creates a new producer registry.
-func NewDefaultConfigProducerRegistry() *ConfigProducerRegistry {
+// NewConfigProducerRegistry creates a new producer registry.
+func NewConfigProducerRegistry() *ConfigProducerRegistry {
 	registry := &ConfigProducerRegistry{
 		PredicateToConfigProducer: make(map[string]ConfigProducer),
 		PriorityToConfigProducer:  make(map[string]ConfigProducer),

pkg/scheduler/framework/plugins/registry_test.go

@@ -41,7 +41,7 @@ func produceConfig(keys []string, producersMap map[string]ConfigProducer, args C
 }
 
 func TestRegisterConfigProducers(t *testing.T) {
-	registry := NewDefaultConfigProducerRegistry()
+	registry := NewConfigProducerRegistry()
 	testPredicateName1 := "testPredicate1"
 	testFilterName1 := "testFilter1"
 	registry.RegisterPredicate(testPredicateName1,