Update remaining rendering classes to use OVERRIDE / FINAL when needed

Source/core/rendering/svg/RenderSVGResourceMasker.h

Index: Source/core/rendering/svg/RenderSVGResourceMasker.h
diff --git a/Source/core/rendering/svg/RenderSVGResourceMasker.h b/Source/core/rendering/svg/RenderSVGResourceMasker.h
index 2af527521271377843cb34137f765e189f5e5a17..d12496b7e69e716bc92a015d2fdbf8c49a8b4607 100644
--- a/Source/core/rendering/svg/RenderSVGResourceMasker.h
+++ b/Source/core/rendering/svg/RenderSVGResourceMasker.h
@@ -40,10 +40,10 @@ public:
     explicit RenderSVGResourceMasker(SVGMaskElement*);
     virtual ~RenderSVGResourceMasker();
 
-    virtual const char* renderName() const { return "RenderSVGResourceMasker"; }
+    virtual const char* renderName() const OVERRIDE { return "RenderSVGResourceMasker"; }
 
-    virtual void removeAllClientsFromCache(bool markForInvalidation = true);
-    virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true);
+    virtual void removeAllClientsFromCache(bool markForInvalidation = true) OVERRIDE;
+    virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true) OVERRIDE;
     virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode) OVERRIDE;
     virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short, const Path*, const RenderSVGShape*) OVERRIDE;
     FloatRect resourceBoundingBox(RenderObject*);
@@ -51,7 +51,7 @@ public:
     SVGUnitTypes::SVGUnitType maskUnits() const { return toSVGMaskElement(element())->maskUnitsCurrentValue(); }
     SVGUnitTypes::SVGUnitType maskContentUnits() const { return toSVGMaskElement(element())->maskContentUnitsCurrentValue(); }
 
-    virtual RenderSVGResourceType resourceType() const { return s_resourceType; }
+    virtual RenderSVGResourceType resourceType() const OVERRIDE { return s_resourceType; }
     static const RenderSVGResourceType s_resourceType;
 
 private: