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

src/arm64/lithium-codegen-arm64.h

Index: src/arm64/lithium-codegen-arm64.h
diff --git a/src/arm64/lithium-codegen-arm64.h b/src/arm64/lithium-codegen-arm64.h
index d94262e74dd9ec24a9882e45976fece32fd29a90..809ed556d06843fea17b7f0d5d4bd6f6b6f1d96d 100644
--- a/src/arm64/lithium-codegen-arm64.h
+++ b/src/arm64/lithium-codegen-arm64.h
@@ -276,7 +276,7 @@ class LCodeGen: public LCodeGenBase {
   void RestoreCallerDoubles();
 
   // Code generation steps.  Returns true if code generation should continue.
-  void GenerateBodyInstructionPre(LInstruction* instr) OVERRIDE;
+  void GenerateBodyInstructionPre(LInstruction* instr) override;
   bool GeneratePrologue();
   bool GenerateDeferredCode();
   bool GenerateJumpTable();
@@ -324,7 +324,7 @@ class LCodeGen: public LCodeGenBase {
                          LInstruction* instr);
 
   // Support for recording safepoint and position information.
-  void RecordAndWritePosition(int position) OVERRIDE;
+  void RecordAndWritePosition(int position) override;
   void RecordSafepoint(LPointerMap* pointers,
                        Safepoint::Kind kind,
                        int arguments,
@@ -337,7 +337,7 @@ class LCodeGen: public LCodeGenBase {
   void RecordSafepointWithLazyDeopt(LInstruction* instr,
                                     SafepointMode safepoint_mode);
 
-  void EnsureSpaceForLazyDeopt(int space_needed) OVERRIDE;
+  void EnsureSpaceForLazyDeopt(int space_needed) override;
 
   ZoneList<LEnvironment*> deoptimizations_;
   ZoneList<Deoptimizer::JumpTableEntry*> jump_table_;