Add RemovePrototype to FunctionTemplate

test/cctest/test-api.cc

 // Copyright 2012 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 9504 matching lines @@
   // return false and keep VM in sane state.
   v8::TryCatch try_catch;
   CHECK(!o1->SetPrototype(o0));
   CHECK(!try_catch.HasCaught());
   ASSERT(!i::Isolate::Current()->has_pending_exception());
 
   CHECK_EQ(42, CompileRun("function f() { return 42; }; f()")->Int32Value());
 }
 
 
+THREADED_TEST(FunctionRemovePrototype) {
+  LocalContext context;
+  v8::HandleScope handle_scope(context->GetIsolate());
+
+  Local<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New();
+  t1->RemovePrototype();
+  Local<v8::Function> fun = t1->GetFunction();
+  context->Global()->Set(v8_str("fun"), fun);
+  CHECK(!CompileRun("'prototype' in fun")->BooleanValue());
+
+  v8::TryCatch try_catch;
+  CompileRun("new fun()");
+  CHECK(try_catch.HasCaught());
+
+  try_catch.Reset();
+  fun->NewInstance();
+  CHECK(try_catch.HasCaught());
+}
+
+
 THREADED_TEST(GetterSetterExceptions) {
   LocalContext context;
   v8::HandleScope handle_scope(context->GetIsolate());
   CompileRun(
     "function Foo() { };"
     "function Throw() { throw 5; };"
     "var x = { };"
     "x.__defineSetter__('set', Throw);"
     "x.__defineGetter__('get', Throw);");
   Local<v8::Object> x =
@@ skipping 10632 matching lines @@
   CheckCorrectThrow("%HasProperty(other, 'x')");
   CheckCorrectThrow("%HasElement(other, 1)");
   CheckCorrectThrow("%IsPropertyEnumerable(other, 'x')");
   CheckCorrectThrow("%GetPropertyNames(other)");
   CheckCorrectThrow("%GetLocalPropertyNames(other, true)");
   CheckCorrectThrow("%DefineOrRedefineAccessorProperty("
                         "other, 'x', null, null, 1)");
 }
 
 #endif  // WIN32