[stubs] Port FastNewObjectStub to TF

src/mips/interface-descriptors-mips.cc

Index: src/mips/interface-descriptors-mips.cc
diff --git a/src/mips/interface-descriptors-mips.cc b/src/mips/interface-descriptors-mips.cc
index 486ae6832456c6b839c984eb727bb49367d26ef4..119e228cb770addf1157c03df51dfdbfae798471 100644
--- a/src/mips/interface-descriptors-mips.cc
+++ b/src/mips/interface-descriptors-mips.cc
@@ -68,12 +68,6 @@ void FastNewClosureDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
 }
 
-void FastNewObjectDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {a1, a3};
-  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
-}
-
 void FastNewRestParameterDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {a1};