Allows not API functions as inputs for CreationConext method.

src/api.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3145 matching lines @@
   has_pending_exception = result.is_null();
   EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>());
   return Utils::ToLocal(result);
 }
 
 
 static i::Context* GetCreationContext(i::JSObject* object) {
   i::Object* constructor = object->map()->constructor();
   i::JSFunction* function;
   if (!constructor->IsJSFunction()) {
-    // API functions have null as a constructor,
+    // Functions have null as a constructor,
     // but any JSFunction knows its context immediately.
-    ASSERT(object->IsJSFunction() &&
-           i::JSFunction::cast(object)->shared()->IsApiFunction());
+    ASSERT(object->IsJSFunction());
     function = i::JSFunction::cast(object);
   } else {
     function = i::JSFunction::cast(constructor);
   }
   return function->context()->global_context();
 }
 
 
 Local<v8::Context> v8::Object::CreationContext() {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
@@ skipping 2856 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* scope_implementer =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   scope_implementer->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal