Revert of Make DOMWrapperWorld::current() return a reference instead of a pointer

Source/bindings/tests/idls/TestInterfacePython2.idl

Index: Source/bindings/tests/idls/TestInterfacePython2.idl
diff --git a/Source/bindings/tests/idls/TestInterface3.idl b/Source/bindings/tests/idls/TestInterfacePython2.idl
similarity index 73%
rename from Source/bindings/tests/idls/TestInterface3.idl
rename to Source/bindings/tests/idls/TestInterfacePython2.idl
index 6b90bdac6770b6b13d0db0b9b52bb60312810ddc..92b7eccbe919bb8bfbbb19f052c0e1bc70652cdf 100644
--- a/Source/bindings/tests/idls/TestInterface3.idl
+++ b/Source/bindings/tests/idls/TestInterfacePython2.idl
@@ -29,18 +29,14 @@
  */
 
 // This is for interface extended attributes that interact with another extended
-// attribute, and thus both cannot be tested at once; and for special
-// operations, which need a separate interface to test on.
+// attribute, and thus both cannot be tested at once.
 // The more *minor* extended attribute should be put in this file.
 
 [
-    Custom=VisitDOMWrapper, // Conflict with [SetWrapperReferenceTo] and [SetWrapperReferenceFrom]
-] interface TestInterface3 {
-    [Custom] getter boolean (unsigned long index);
-    [Custom] setter boolean (unsigned long index, Node value);
-    [Custom] deleter boolean (unsigned long index);
-
-    [Custom=PropertyGetter|PropertyEnumerator|PropertyQuery] getter Node (DOMString name);
-    [Custom] setter Node (DOMString name, Node value);
-    [Custom] deleter boolean (DOMString name);
+    Constructor,  // Test interaction with [Custom=Wrap]
+    Custom=Wrap,  // Conflicts with and [Custom=ToV8], respectively
+    DependentLifetime,  // Covered by [ActiveDOMObject]
+    SetWrapperReferenceFrom=ownerNode,  // Conflicts with [SetWrapperReferenceTo]
+    SpecialWrapFor=Interface1|Interface2,  // Conflicts with [Custom=ToV8]
+] interface TestInterfacePython2 {
 };