Update more core classes to use OVERRIDE / FINAL when needed

Source/core/rendering/RenderInline.h

Index: Source/core/rendering/RenderInline.h
diff --git a/Source/core/rendering/RenderInline.h b/Source/core/rendering/RenderInline.h
index 801422e02ae74f39d8a2fc0ee9544ea22558f315..e3a9f0c9d9a6b0b8c3bf8ae3e05d41cc0c7e208e 100644
--- a/Source/core/rendering/RenderInline.h
+++ b/Source/core/rendering/RenderInline.h
@@ -40,7 +40,7 @@ public:
     RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
     RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
 
-    virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0);
+    virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE;
 
     Element* node() const { return toElement(RenderBoxModelObject::node()); }
 
@@ -54,7 +54,7 @@ public:
     virtual LayoutUnit marginEnd(const RenderStyle* otherStyle = 0) const OVERRIDE FINAL;
 
     virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const OVERRIDE FINAL;
-    virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const;
+    virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const OVERRIDE;
 
     virtual LayoutSize offsetFromContainer(RenderObject*, const LayoutPoint&, bool* offsetDependsOnPoint = 0) const OVERRIDE FINAL;