[stubs]: Convert FastNewContext stub to turbofan

src/crankshaft/mips/lithium-codegen-mips.cc

Index: src/crankshaft/mips/lithium-codegen-mips.cc
diff --git a/src/crankshaft/mips/lithium-codegen-mips.cc b/src/crankshaft/mips/lithium-codegen-mips.cc
index 01aa73c1ef896981b87220022149ee13861e4327..b1c7554a5c5f6853cb1671402c4b3d2313d6d436 100644
--- a/src/crankshaft/mips/lithium-codegen-mips.cc
+++ b/src/crankshaft/mips/lithium-codegen-mips.cc
@@ -185,10 +185,10 @@ void LCodeGen::DoPrologue(LPrologue* instr) {
       __ Push(info()->scope()->GetScopeInfo(info()->isolate()));
       __ CallRuntime(Runtime::kNewScriptContext);
       deopt_mode = Safepoint::kLazyDeopt;
-    } else if (slots <= FastNewContextStub::kMaximumSlots) {
-      FastNewContextStub stub(isolate(), slots);
+    } else if (slots <= FastNewFunctionContextStub::kMaximumSlots) {
+      FastNewFunctionContextStub stub(isolate(), slots);
       __ CallStub(&stub);
-      // Result of FastNewContextStub is always in new space.
+      // Result of FastNewFunctionContextStub is always in new space.
       need_write_barrier = false;
     } else {
       __ push(a1);