Replace OVERRIDE->override and FINAL->final since we now require C++11.

src/compiler/js-typed-lowering.h

Index: src/compiler/js-typed-lowering.h
diff --git a/src/compiler/js-typed-lowering.h b/src/compiler/js-typed-lowering.h
index 860ef8ad3e0c466c162f3897b2ec5dc389a00654..d9f2552c5bedc8623a72e67238c8e76ad1585bed 100644
--- a/src/compiler/js-typed-lowering.h
+++ b/src/compiler/js-typed-lowering.h
@@ -26,12 +26,12 @@ class MachineOperatorBuilder;
 
 
 // Lowers JS-level operators to simplified operators based on types.
-class JSTypedLowering FINAL : public Reducer {
+class JSTypedLowering final : public Reducer {
  public:
   JSTypedLowering(JSGraph* jsgraph, Zone* zone);
-  ~JSTypedLowering() FINAL {}
+  ~JSTypedLowering() final {}
 
-  Reduction Reduce(Node* node) FINAL;
+  Reduction Reduce(Node* node) final;
 
  private:
   friend class JSBinopReduction;