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

Source/core/html/PluginDocument.h

Index: Source/core/html/PluginDocument.h
diff --git a/Source/core/html/PluginDocument.h b/Source/core/html/PluginDocument.h
index 6ec5c8d391d293bd5b84c149719b95a0d4f7b782..4007ffb5d5753c720e19e9ed5bf7a496f0b9a14c 100644
--- a/Source/core/html/PluginDocument.h
+++ b/Source/core/html/PluginDocument.h
@@ -32,7 +32,7 @@ namespace blink {
 class Node;
 class Widget;
 
-class PluginDocument FINAL : public HTMLDocument {
+class PluginDocument final : public HTMLDocument {
 public:
     static PassRefPtrWillBeRawPtr<PluginDocument> create(const DocumentInit& initializer = DocumentInit())
     {
@@ -44,14 +44,14 @@ public:
     Widget* pluginWidget();
     Node* pluginNode();
 
-    virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
+    virtual void detach(const AttachContext& = AttachContext()) override;
 
-    virtual void trace(Visitor*) OVERRIDE;
+    virtual void trace(Visitor*) override;
 
 private:
     explicit PluginDocument(const DocumentInit&);
 
-    virtual PassRefPtrWillBeRawPtr<DocumentParser> createParser() OVERRIDE;
+    virtual PassRefPtrWillBeRawPtr<DocumentParser> createParser() override;
 
     RefPtrWillBeMember<Node> m_pluginNode;
 };