JS binding: remove redundant type check in attr setter for TypeChecking interface

Source/bindings/tests/results/modules/V8TestInterface5.cpp

Index: Source/bindings/tests/results/modules/V8TestInterface5.cpp
diff --git a/Source/bindings/tests/results/modules/V8TestInterface5.cpp b/Source/bindings/tests/results/modules/V8TestInterface5.cpp
index 492e979a44a67a156b8e6ce3d9f2b6ce55899fb6..20c6f4abb234059163505c7f844dcbc5441829db 100644
--- a/Source/bindings/tests/results/modules/V8TestInterface5.cpp
+++ b/Source/bindings/tests/results/modules/V8TestInterface5.cpp
@@ -58,7 +58,7 @@ static void testInterfaceAttributeAttributeSetter(v8::Local<v8::Value> v8Value,
         return;
     }
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
-    TestInterface5Implementation* cppValue = V8TestInterface5::toImplWithTypeCheck(info.GetIsolate(), v8Value);
+    TestInterface5Implementation* cppValue = V8TestInterface5::toImpl(v8::Handle<v8::Object>::Cast(v8Value));
     impl->setTestInterfaceAttribute(WTF::getPtr(cppValue));
 }