Rename Sky's custom2 to custom

sky/engine/core/dom/custom/custom_element_callback_scope.h

Index: sky/engine/core/dom/custom/custom_element_callback_scope.h
diff --git a/sky/engine/core/dom/custom2/new_custom_element_callback_scope.h b/sky/engine/core/dom/custom/custom_element_callback_scope.h
similarity index 74%
rename from sky/engine/core/dom/custom2/new_custom_element_callback_scope.h
rename to sky/engine/core/dom/custom/custom_element_callback_scope.h
index ced7e5b6aeb7182ddc373eca6984f4a3aaf0699c..617d628c24aad95b548a6cec8208fb8f07d138f3 100644
--- a/sky/engine/core/dom/custom2/new_custom_element_callback_scope.h
+++ b/sky/engine/core/dom/custom/custom_element_callback_scope.h
@@ -10,17 +10,17 @@
 
 namespace blink {
 
-class NewCustomElementCallbackScope {
+class CustomElementCallbackScope {
  public:
-  NewCustomElementCallbackScope();
-  ~NewCustomElementCallbackScope();
+  CustomElementCallbackScope();
+  ~CustomElementCallbackScope();
 
   void Enqueue(const base::Closure&);
 
-  static NewCustomElementCallbackScope* Current();
+  static CustomElementCallbackScope* Current();
 
  private:
-  NewCustomElementCallbackScope* previous_scope_;
+  CustomElementCallbackScope* previous_scope_;
   Vector<base::Closure> callbacks_;
 };