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

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index 4da6e7ceccf5453f447339c627c6013ac3c6d405..712b695abb76bc0ba4e8d5fadc808dd07dbafd2e 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -418,7 +418,7 @@ class LoadIC : public IC {
     }
   }
 
-  Handle<Code> megamorphic_stub() OVERRIDE;
+  Handle<Code> megamorphic_stub() override;
 
   // Update the inline cache and the global stub cache based on the
   // lookup result.
@@ -426,7 +426,7 @@ class LoadIC : public IC {
 
   virtual Handle<Code> CompileHandler(LookupIterator* lookup,
                                       Handle<Object> unused,
-                                      CacheHolderFlag cache_holder) OVERRIDE;
+                                      CacheHolderFlag cache_holder) override;
 
  private:
   virtual Handle<Code> pre_monomorphic_stub() const;
@@ -556,7 +556,7 @@ class StoreIC : public IC {
 
  protected:
   // Stub accessors.
-  Handle<Code> megamorphic_stub() OVERRIDE;
+  Handle<Code> megamorphic_stub() override;
   Handle<Code> slow_stub() const;
 
   virtual Handle<Code> pre_monomorphic_stub() const {
@@ -572,7 +572,7 @@ class StoreIC : public IC {
                     JSReceiver::StoreFromKeyed store_mode);
   virtual Handle<Code> CompileHandler(LookupIterator* lookup,
                                       Handle<Object> value,
-                                      CacheHolderFlag cache_holder) OVERRIDE;
+                                      CacheHolderFlag cache_holder) override;
 
  private:
   inline void set_target(Code* code);