Split [StrictTypeChecking] into [TypeChecking=Interface|Nullable|String]

Source/bindings/tests/idls/TestInterface.idl

Index: Source/bindings/tests/idls/TestInterface.idl
diff --git a/Source/bindings/tests/idls/TestInterface.idl b/Source/bindings/tests/idls/TestInterface.idl
index 4561bdb1e7c6c47ef6bba01a973c9d9d34a38ed8..14f1371f4c6ebf1fec343083d543939449b022a9 100644
--- a/Source/bindings/tests/idls/TestInterface.idl
+++ b/Source/bindings/tests/idls/TestInterface.idl
@@ -39,10 +39,10 @@
     ImplementedAs=TestInterfaceImplementation,
     RuntimeEnabled=FeatureName,
     SetWrapperReferenceTo(TestInterface referencedName),
-    StrictTypeChecking,
+    TypeChecking=Interface|Nullable|String,
 ] interface TestInterface : TestInterfaceEmpty {
     // members needed to test [ImplementedAs], as this affect attribute
-    // configuration and method configuration, and [StrictTypeChecking]
+    // configuration and method configuration, and [TypeChecking]
     // constants also needed for [DoNotCheckConstants]
     const unsigned long UNSIGNED_LONG = 0;
     [Reflect=CONST_CPP] const short CONST_JAVASCRIPT = 1;