Update page & frame classes to use OVERRIDE / FINAL when needed

Source/core/frame/DOMSecurityPolicy.h

Index: Source/core/frame/DOMSecurityPolicy.h
diff --git a/Source/core/frame/DOMSecurityPolicy.h b/Source/core/frame/DOMSecurityPolicy.h
index 788130139933c9219130174dd87a80f0a4dfc51a..34a61cda0ff77de490b6c6aab34d9c01c22c61bc 100644
--- a/Source/core/frame/DOMSecurityPolicy.h
+++ b/Source/core/frame/DOMSecurityPolicy.h
@@ -37,13 +37,13 @@ class ContentSecurityPolicy;
 class DOMStringList;
 class Frame;
 
-class DOMSecurityPolicy : public RefCounted<DOMSecurityPolicy>, public ScriptWrappable, public ContextLifecycleObserver {
+class DOMSecurityPolicy FINAL : public RefCounted<DOMSecurityPolicy>, public ScriptWrappable, public ContextLifecycleObserver {
 public:
     static PassRefPtr<DOMSecurityPolicy> create(ExecutionContext* context)
     {
         return adoptRef(new DOMSecurityPolicy(context));
     }
-    ~DOMSecurityPolicy();
+    virtual ~DOMSecurityPolicy();
 
     bool isActive() const;
     PassRefPtr<DOMStringList> reportURIs() const;