Add StyleChangeState to get rid of a bunch of static state in the render tree.

Source/WebCore/rendering/svg/RenderSVGModelObject.cpp

Index: Source/WebCore/rendering/svg/RenderSVGModelObject.cpp
diff --git a/Source/WebCore/rendering/svg/RenderSVGModelObject.cpp b/Source/WebCore/rendering/svg/RenderSVGModelObject.cpp
index 6733a2e0584cad8d9b9b57a34d467ff3cca7c6b4..d7c5a75d2e21072c58ec2b81a246ee15a2fb662f 100644
--- a/Source/WebCore/rendering/svg/RenderSVGModelObject.cpp
+++ b/Source/WebCore/rendering/svg/RenderSVGModelObject.cpp
@@ -97,19 +97,19 @@ void RenderSVGModelObject::willBeDestroyed()
     RenderObject::willBeDestroyed();
 }
 
-void RenderSVGModelObject::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
+void RenderSVGModelObject::styleWillChange(StyleDifference diff, const RenderStyle* newStyle, StyleChangeState& state)
 {
     if (diff == StyleDifferenceLayout) {
         setNeedsBoundariesUpdate();
         if (newStyle->hasTransform())
             setNeedsTransformUpdate();
     }
-    RenderObject::styleWillChange(diff, newStyle);
+    RenderObject::styleWillChange(diff, newStyle, state);
 }
 
-void RenderSVGModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
+void RenderSVGModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle, const StyleChangeState& state)
 {
-    RenderObject::styleDidChange(diff, oldStyle);
+    RenderObject::styleDidChange(diff, oldStyle, state);
     SVGResourcesCache::clientStyleChanged(this, diff, style());
 }