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

Source/core/editing/InsertLineBreakCommand.h

Index: Source/core/editing/InsertLineBreakCommand.h
diff --git a/Source/core/editing/InsertLineBreakCommand.h b/Source/core/editing/InsertLineBreakCommand.h
index 155d919fd121b538b67e9bd075652b33c0d25c03..4dc48ef446dd207a79a15017d4f38398579e153a 100644
--- a/Source/core/editing/InsertLineBreakCommand.h
+++ b/Source/core/editing/InsertLineBreakCommand.h
@@ -30,7 +30,7 @@
 
 namespace blink {
 
-class InsertLineBreakCommand FINAL : public CompositeEditCommand {
+class InsertLineBreakCommand final : public CompositeEditCommand {
 public:
     static PassRefPtrWillBeRawPtr<InsertLineBreakCommand> create(Document& document)
     {
@@ -40,9 +40,9 @@ public:
 private:
     explicit InsertLineBreakCommand(Document&);
 
-    virtual void doApply() OVERRIDE;
+    virtual void doApply() override;
 
-    virtual bool preservesTypingStyle() const OVERRIDE;
+    virtual bool preservesTypingStyle() const override;
 
     bool shouldUseBreakElement(const Position&);
 };