Update editing classes to use OVERRIDE / FINAL when needed

Source/core/editing/TypingCommand.h

Index: Source/core/editing/TypingCommand.h
diff --git a/Source/core/editing/TypingCommand.h b/Source/core/editing/TypingCommand.h
index 05032abe59b0380e01f2c56eb7c6820bd4062c64..b0b46678a3e2d2e2a7b74652eee42e6fb3a685a2 100644
--- a/Source/core/editing/TypingCommand.h
+++ b/Source/core/editing/TypingCommand.h
@@ -30,7 +30,7 @@
 
 namespace WebCore {
 
-class TypingCommand : public TextInsertionBaseCommand {
+class TypingCommand FINAL : public TextInsertionBaseCommand {
 public:
     enum ETypingCommand {
         DeleteSelection,
@@ -97,17 +97,17 @@ private:
 
     static PassRefPtr<TypingCommand> lastTypingCommandIfStillOpenForTyping(Frame*);
 
-    virtual void doApply();
-    virtual EditAction editingAction() const;
-    virtual bool isTypingCommand() const;
-    virtual bool preservesTypingStyle() const { return m_preservesTypingStyle; }
-    virtual bool shouldRetainAutocorrectionIndicator() const
+    virtual void doApply() OVERRIDE;
+    virtual EditAction editingAction() const OVERRIDE;
+    virtual bool isTypingCommand() const OVERRIDE;
+    virtual bool preservesTypingStyle() const OVERRIDE { return m_preservesTypingStyle; }
+    virtual bool shouldRetainAutocorrectionIndicator() const OVERRIDE
     {
         ASSERT(isTopLevelCommand());
         return m_shouldRetainAutocorrectionIndicator;
     }
-    virtual void setShouldRetainAutocorrectionIndicator(bool retain) { m_shouldRetainAutocorrectionIndicator = retain; }
-    virtual bool shouldStopCaretBlinking() const { return true; }
+    virtual void setShouldRetainAutocorrectionIndicator(bool retain) OVERRIDE { m_shouldRetainAutocorrectionIndicator = retain; }
+    virtual bool shouldStopCaretBlinking() const OVERRIDE { return true; }
     void setShouldPreventSpellChecking(bool prevent) { m_shouldPreventSpellChecking = prevent; }
 
     static void updateSelectionIfDifferentFromCurrentSelection(TypingCommand*, Frame*);