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

src/compiler/js-typed-lowering.cc

Index: src/compiler/js-typed-lowering.cc
diff --git a/src/compiler/js-typed-lowering.cc b/src/compiler/js-typed-lowering.cc
index 1c7a8dce22ca6702c64f71831bb4743499c2d351..4c1c272b808c4c32744a4b0f77c458a9a83325cf 100644
--- a/src/compiler/js-typed-lowering.cc
+++ b/src/compiler/js-typed-lowering.cc
@@ -59,7 +59,7 @@ Reduction JSTypedLowering::ReplaceEagerly(Node* old, Node* node) {
 // JSOperator. This class manages the rewriting of context, control, and effect
 // dependencies during lowering of a binop and contains numerous helper
 // functions for matching the types of inputs to an operation.
-class JSBinopReduction FINAL {
+class JSBinopReduction final {
  public:
   JSBinopReduction(JSTypedLowering* lowering, Node* node)
       : lowering_(lowering), node_(node) {}