Reland deprecation of HAllocateObject in favor of HAllocate.

src/mips/lithium-mips.cc

Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index 942726262b33d0cf466d41bd64f25024ffbe14c4..06f99edac585827d6dbfc5a4bb421a855ee3a282 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -2323,14 +2323,6 @@ LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoAllocateObject(HAllocateObject* instr) {
-  info()->MarkAsDeferredCalling();
-  LAllocateObject* result =
-      new(zone()) LAllocateObject(TempRegister(), TempRegister());
-  return AssignPointerMap(DefineAsRegister(result));
-}
-
-
 LInstruction* LChunkBuilder::DoAllocate(HAllocate* instr) {
   info()->MarkAsDeferredCalling();
   LOperand* size = instr->size()->IsConstant()