Consistently use only one of virtual/OVERRIDE/FINAL.

src/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HYDROGEN_H_
 #define V8_HYDROGEN_H_
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 801 matching lines @@
 };
 
 
 class EffectContext FINAL : public AstContext {
  public:
   explicit EffectContext(HOptimizedGraphBuilder* owner)
       : AstContext(owner, Expression::kEffect) {
   }
   virtual ~EffectContext();
 
-  virtual void ReturnValue(HValue* value) OVERRIDE;
+  void ReturnValue(HValue* value) OVERRIDE;
   virtual void ReturnInstruction(HInstruction* instr,
                                  BailoutId ast_id) OVERRIDE;
   virtual void ReturnControl(HControlInstruction* instr,
                              BailoutId ast_id) OVERRIDE;
   virtual void ReturnContinuation(HIfContinuation* continuation,
                                   BailoutId ast_id) OVERRIDE;
 };
 
 
 class ValueContext FINAL : public AstContext {
  public:
   ValueContext(HOptimizedGraphBuilder* owner, ArgumentsAllowedFlag flag)
       : AstContext(owner, Expression::kValue), flag_(flag) {
   }
   virtual ~ValueContext();
 
-  virtual void ReturnValue(HValue* value) OVERRIDE;
+  void ReturnValue(HValue* value) OVERRIDE;
   virtual void ReturnInstruction(HInstruction* instr,
                                  BailoutId ast_id) OVERRIDE;
   virtual void ReturnControl(HControlInstruction* instr,
                              BailoutId ast_id) OVERRIDE;
   virtual void ReturnContinuation(HIfContinuation* continuation,
                                   BailoutId ast_id) OVERRIDE;
 
   bool arguments_allowed() { return flag_ == ARGUMENTS_ALLOWED; }
 
  private:
   ArgumentsAllowedFlag flag_;
 };
 
 
 class TestContext FINAL : public AstContext {
  public:
   TestContext(HOptimizedGraphBuilder* owner,
               Expression* condition,
               HBasicBlock* if_true,
               HBasicBlock* if_false)
       : AstContext(owner, Expression::kTest),
         condition_(condition),
         if_true_(if_true),
         if_false_(if_false) {
   }
 
-  virtual void ReturnValue(HValue* value) OVERRIDE;
+  void ReturnValue(HValue* value) OVERRIDE;
   virtual void ReturnInstruction(HInstruction* instr,
                                  BailoutId ast_id) OVERRIDE;
   virtual void ReturnControl(HControlInstruction* instr,
                              BailoutId ast_id) OVERRIDE;
   virtual void ReturnContinuation(HIfContinuation* continuation,
                                   BailoutId ast_id) OVERRIDE;
 
   static TestContext* cast(AstContext* context) {
     DCHECK(context->IsTest());
     return reinterpret_cast<TestContext*>(context);
@@ skipping 1224 matching lines @@
                      Scope** scope, int* drop_extra);
 
    private:
     BreakAndContinueInfo* info_;
     HOptimizedGraphBuilder* owner_;
     BreakAndContinueScope* next_;
   };
 
   explicit HOptimizedGraphBuilder(CompilationInfo* info);
 
-  virtual bool BuildGraph() OVERRIDE;
+  bool BuildGraph() OVERRIDE;
 
   // Simple accessors.
   BreakAndContinueScope* break_scope() const { return break_scope_; }
   void set_break_scope(BreakAndContinueScope* head) { break_scope_ = head; }
 
-  HValue* context() { return environment()->context(); }
+  HValue* context() OVERRIDE { return environment()->context(); }
 
   HOsrBuilder* osr() const { return osr_; }
 
   void Bailout(BailoutReason reason);
 
   HBasicBlock* CreateJoin(HBasicBlock* first,
                           HBasicBlock* second,
                           BailoutId join_id);
 
   FunctionState* function_state() const { return function_state_; }
 
-  void VisitDeclarations(ZoneList<Declaration*>* declarations);
+  void VisitDeclarations(ZoneList<Declaration*>* declarations) OVERRIDE;
 
   void* operator new(size_t size, Zone* zone) {
     return zone->New(static_cast<int>(size));
   }
   void operator delete(void* pointer, Zone* zone) { }
   void operator delete(void* pointer) { }
 
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
 
  protected:
@@ skipping 138 matching lines @@
   // test contexts.)
   void VisitForValue(Expression* expr,
                      ArgumentsAllowedFlag flag = ARGUMENTS_NOT_ALLOWED);
   void VisitForTypeOf(Expression* expr);
   void VisitForEffect(Expression* expr);
   void VisitForControl(Expression* expr,
                        HBasicBlock* true_block,
                        HBasicBlock* false_block);
 
   // Visit a list of expressions from left to right, each in a value context.
-  void VisitExpressions(ZoneList<Expression*>* exprs);
+  void VisitExpressions(ZoneList<Expression*>* exprs) OVERRIDE;
   void VisitExpressions(ZoneList<Expression*>* exprs,
                         ArgumentsAllowedFlag flag);
 
   // Remove the arguments from the bailout environment and emit instructions
   // to push them as outgoing parameters.
   template <class Instruction> HInstruction* PreProcessCall(Instruction* call);
   void PushArgumentsFromEnvironment(int count);
 
   void SetUpScope(Scope* scope);
-  virtual void VisitStatements(ZoneList<Statement*>* statements) OVERRIDE;
+  void VisitStatements(ZoneList<Statement*>* statements) OVERRIDE;
 
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node) OVERRIDE;
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
   Type* ToType(Handle<Map> map);
 
  private:
   // Helpers for flow graph construction.
   enum GlobalPropertyAccess {
@@ skipping 633 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_