[api] deprecate v8::Function::IsBuiltin.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index 354db4344f98c403665a0bd0a4e6b3c1ff69d4ee..b01597e4ea6c0dd32987f347d0959130e0e4ca5d 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -19018,24 +19018,6 @@ THREADED_TEST(ScriptColumnNumber) {
 }
 
 
-THREADED_TEST(FunctionIsBuiltin) {
-  LocalContext env;
-  v8::Isolate* isolate = env->GetIsolate();
-  v8::HandleScope scope(isolate);
-  v8::Local<v8::Function> f;
-  f = v8::Local<v8::Function>::Cast(CompileRun("Math.floor"));
-  CHECK(f->IsBuiltin());
-  f = v8::Local<v8::Function>::Cast(CompileRun("Object"));
-  CHECK(f->IsBuiltin());
-  f = v8::Local<v8::Function>::Cast(CompileRun("Object.__defineSetter__"));
-  CHECK(f->IsBuiltin());
-  f = v8::Local<v8::Function>::Cast(CompileRun("Array.prototype.toString"));
-  CHECK(f->IsBuiltin());
-  f = v8::Local<v8::Function>::Cast(CompileRun("function a() {}; a;"));
-  CHECK(!f->IsBuiltin());
-}
-
-
 THREADED_TEST(FunctionGetScriptId) {
   LocalContext env;
   v8::Isolate* isolate = env->GetIsolate();