Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/editing

Source/core/editing/MergeIdenticalElementsCommand.h

Index: Source/core/editing/MergeIdenticalElementsCommand.h
diff --git a/Source/core/editing/MergeIdenticalElementsCommand.h b/Source/core/editing/MergeIdenticalElementsCommand.h
index 7876fc4e9d0a23f31abdb6030c56c59abcbe55fe..1dde5d0f9df7252b0205649b51f56c4910ebbc56 100644
--- a/Source/core/editing/MergeIdenticalElementsCommand.h
+++ b/Source/core/editing/MergeIdenticalElementsCommand.h
@@ -30,20 +30,20 @@
 
 namespace blink {
 
-class MergeIdenticalElementsCommand FINAL : public SimpleEditCommand {
+class MergeIdenticalElementsCommand final : public SimpleEditCommand {
 public:
     static PassRefPtrWillBeRawPtr<MergeIdenticalElementsCommand> create(PassRefPtrWillBeRawPtr<Element> element1, PassRefPtrWillBeRawPtr<Element> element2)
     {
         return adoptRefWillBeNoop(new MergeIdenticalElementsCommand(element1, element2));
     }
 
-    virtual void trace(Visitor*) OVERRIDE;
+    virtual void trace(Visitor*) override;
 
 private:
     MergeIdenticalElementsCommand(PassRefPtrWillBeRawPtr<Element>, PassRefPtrWillBeRawPtr<Element>);
 
-    virtual void doApply() OVERRIDE;
-    virtual void doUnapply() OVERRIDE;
+    virtual void doApply() override;
+    virtual void doUnapply() override;
 
     RefPtrWillBeMember<Element> m_element1;
     RefPtrWillBeMember<Element> m_element2;