Consistently use only one of virtual/OVERRIDE/FINAL.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 7d47c60d03559001b01d3b1d41b672a6f1c3acb4..4a444af1d2592b4c1eb71083e9084278bc655a8b 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -517,7 +517,7 @@ class SequentialStringKey : public HashTableKey {
   explicit SequentialStringKey(Vector<const Char> string, uint32_t seed)
       : string_(string), hash_field_(0), seed_(seed) { }
 
-  virtual uint32_t Hash() OVERRIDE {
+  uint32_t Hash() OVERRIDE {
     hash_field_ = StringHasher::HashSequentialString<Char>(string_.start(),
                                                            string_.length(),
                                                            seed_);
@@ -528,7 +528,7 @@ class SequentialStringKey : public HashTableKey {
   }
 
 
-  virtual uint32_t HashForObject(Object* other) OVERRIDE {
+  uint32_t HashForObject(Object* other) OVERRIDE {
     return String::cast(other)->Hash();
   }
 
@@ -543,11 +543,11 @@ class OneByteStringKey : public SequentialStringKey<uint8_t> {
   OneByteStringKey(Vector<const uint8_t> str, uint32_t seed)
       : SequentialStringKey<uint8_t>(str, seed) { }
 
-  virtual bool IsMatch(Object* string) OVERRIDE {
+  bool IsMatch(Object* string) OVERRIDE {
     return String::cast(string)->IsOneByteEqualTo(string_);
   }
 
-  virtual Handle<Object> AsHandle(Isolate* isolate) OVERRIDE;
+  Handle<Object> AsHandle(Isolate* isolate) OVERRIDE;
 };
 
 
@@ -558,7 +558,7 @@ class SeqOneByteSubStringKey : public HashTableKey {
     DCHECK(string_->IsSeqOneByteString());
   }
 
-  virtual uint32_t Hash() OVERRIDE {
+  uint32_t Hash() OVERRIDE {
     DCHECK(length_ >= 0);
     DCHECK(from_ + length_ <= string_->length());
     const uint8_t* chars = string_->GetChars() + from_;
@@ -569,12 +569,12 @@ class SeqOneByteSubStringKey : public HashTableKey {
     return result;
   }
 
-  virtual uint32_t HashForObject(Object* other) OVERRIDE {
+  uint32_t HashForObject(Object* other) OVERRIDE {
     return String::cast(other)->Hash();
   }
 
-  virtual bool IsMatch(Object* string) OVERRIDE;
-  virtual Handle<Object> AsHandle(Isolate* isolate) OVERRIDE;
+  bool IsMatch(Object* string) OVERRIDE;
+  Handle<Object> AsHandle(Isolate* isolate) OVERRIDE;
 
  private:
   Handle<SeqOneByteString> string_;
@@ -589,11 +589,11 @@ class TwoByteStringKey : public SequentialStringKey<uc16> {
   explicit TwoByteStringKey(Vector<const uc16> str, uint32_t seed)
       : SequentialStringKey<uc16>(str, seed) { }
 
-  virtual bool IsMatch(Object* string) OVERRIDE {
+  bool IsMatch(Object* string) OVERRIDE {
     return String::cast(string)->IsTwoByteEqualTo(string_);
   }
 
-  virtual Handle<Object> AsHandle(Isolate* isolate) OVERRIDE;
+  Handle<Object> AsHandle(Isolate* isolate) OVERRIDE;
 };
 
 
@@ -603,11 +603,11 @@ class Utf8StringKey : public HashTableKey {
   explicit Utf8StringKey(Vector<const char> string, uint32_t seed)
       : string_(string), hash_field_(0), seed_(seed) { }
 
-  virtual bool IsMatch(Object* string) OVERRIDE {
+  bool IsMatch(Object* string) OVERRIDE {
     return String::cast(string)->IsUtf8EqualTo(string_);
   }
 
-  virtual uint32_t Hash() OVERRIDE {
+  uint32_t Hash() OVERRIDE {
     if (hash_field_ != 0) return hash_field_ >> String::kHashShift;
     hash_field_ = StringHasher::ComputeUtf8Hash(string_, seed_, &chars_);
     uint32_t result = hash_field_ >> String::kHashShift;
@@ -615,11 +615,11 @@ class Utf8StringKey : public HashTableKey {
     return result;
   }
 
-  virtual uint32_t HashForObject(Object* other) OVERRIDE {
+  uint32_t HashForObject(Object* other) OVERRIDE {
     return String::cast(other)->Hash();
   }
 
-  virtual Handle<Object> AsHandle(Isolate* isolate) OVERRIDE {
+  Handle<Object> AsHandle(Isolate* isolate) OVERRIDE {
     if (hash_field_ == 0) Hash();
     return isolate->factory()->NewInternalizedStringFromUtf8(
         string_, chars_, hash_field_);