[turbofan] Cleanup use of virtual, OVERRIDE, FINAL.

src/compiler/code-generator.h

Index: src/compiler/code-generator.h
diff --git a/src/compiler/code-generator.h b/src/compiler/code-generator.h
index 46610dbde7f5f9cc9796b1215141ae754b00b255..747bad2e2246deded31ca96e0597c382d61d96b3 100644
--- a/src/compiler/code-generator.h
+++ b/src/compiler/code-generator.h
@@ -86,10 +86,10 @@ class CodeGenerator FINAL : public GapResolver::Assembler {
   // ===========================================================================
 
   // Interface used by the gap resolver to emit moves and swaps.
-  virtual void AssembleMove(InstructionOperand* source,
-                            InstructionOperand* destination) OVERRIDE;
-  virtual void AssembleSwap(InstructionOperand* source,
-                            InstructionOperand* destination) OVERRIDE;
+  void AssembleMove(InstructionOperand* source,
+                    InstructionOperand* destination) FINAL;
+  void AssembleSwap(InstructionOperand* source,
+                    InstructionOperand* destination) FINAL;
 
   // ===========================================================================
   // Deoptimization table construction