Introduce AllocateInNewSpace stub.

src/code-factory.cc

Index: src/code-factory.cc
diff --git a/src/code-factory.cc b/src/code-factory.cc
index 671c74b206ce8906f9b07325b050da449e84ea95..8821867c579c3ab5df37e82a2e5730ecfe4ca5a2 100644
--- a/src/code-factory.cc
+++ b/src/code-factory.cc
@@ -261,6 +261,13 @@ Callable CodeFactory::AllocateHeapNumber(Isolate* isolate) {
 
 
 // static
+Callable CodeFactory::AllocateInNewSpace(Isolate* isolate) {
+  AllocateInNewSpaceStub stub(isolate);
+  return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
+}
+
+
+// static
 Callable CodeFactory::CallFunction(Isolate* isolate, int argc,
                                    CallFunctionFlags flags) {
   CallFunctionStub stub(isolate, argc, flags);