Actually revert "Add Call method to the Object class in the API"

src/execution.cc

Index: src/execution.cc
diff --git a/src/execution.cc b/src/execution.cc
index 850dec561f8151b66abd818831964c939e176a3e..eb26438fe87af6a1d264b3b9ad32ad0efab6e8e8 100644
--- a/src/execution.cc
+++ b/src/execution.cc
@@ -234,30 +234,6 @@ Handle<Object> Execution::GetFunctionDelegate(Handle<Object> object) {
 }
 
 
-Handle<Object> Execution::TryGetFunctionDelegate(Handle<Object> object,
-                                                 bool* has_pending_exception) {
-  ASSERT(!object->IsJSFunction());
-  Isolate* isolate = Isolate::Current();
-
-  // Objects created through the API can have an instance-call handler
-  // that should be used when calling the object as a function.
-  if (object->IsHeapObject() &&
-      HeapObject::cast(*object)->map()->has_instance_call_handler()) {
-    return Handle<JSFunction>(
-        isolate->global_context()->call_as_function_delegate());
-  }
-
-  // If the Object doesn't have an instance-call handler we should
-  // throw a non-callable exception.
-  i::Handle<i::Object> error_obj = isolate->factory()->NewTypeError(
-      "called_non_callable", i::HandleVector<i::Object>(&object, 1));
-  isolate->Throw(*error_obj);
-  *has_pending_exception = true;
-
-  return isolate->factory()->undefined_value();
-}
-
-
 Handle<Object> Execution::GetConstructorDelegate(Handle<Object> object) {
   ASSERT(!object->IsJSFunction());
   Isolate* isolate = Isolate::Current();