Remove unnecessary options from HTailCallThroughMegamorphicCache

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index b45e1c5226c7c4b80b75d1e85b6a150027a409ac..30301f9f324ad3c03b3d8970896bd8da7a10a384 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -1112,17 +1112,10 @@ LInstruction* LChunkBuilder::DoTailCallThroughMegamorphicCache(
       UseFixed(instr->receiver(), LoadDescriptor::ReceiverRegister());
   LOperand* name_register =
       UseFixed(instr->name(), LoadDescriptor::NameRegister());
-  LOperand* slot = NULL;
-  LOperand* vector = NULL;
-  if (FLAG_vector_ics) {
-    slot = UseFixed(instr->slot(), VectorLoadICDescriptor::SlotRegister());
-    vector =
-        UseFixed(instr->vector(), VectorLoadICDescriptor::VectorRegister());
-  }
 
   // Not marked as call. It can't deoptimize, and it never returns.
   return new (zone()) LTailCallThroughMegamorphicCache(
-      context, receiver_register, name_register, slot, vector);
+      context, receiver_register, name_register);
 }