[svg2] Make 'cx', 'cy' and 'r' presentation attributes

Source/core/layout/style/SVGLayoutStyle.h

Index: Source/core/layout/style/SVGLayoutStyle.h
diff --git a/Source/core/layout/style/SVGLayoutStyle.h b/Source/core/layout/style/SVGLayoutStyle.h
index 29f3540c5af1e2cdc3dc453d6e3c5c3cb7987efd..3a273509a2bc7c772a6d94ee023b82fb73f65229 100644
--- a/Source/core/layout/style/SVGLayoutStyle.h
+++ b/Source/core/layout/style/SVGLayoutStyle.h
@@ -91,8 +91,11 @@ public:
     static const AtomicString& initialMarkerEndResource() { return nullAtom; }
     static EMaskType initialMaskType() { return MT_LUMINANCE; }
     static EPaintOrder initialPaintOrder() { return PO_NORMAL; }
+    static Length initialCx() { return Length(Fixed); }
+    static Length initialCy() { return Length(Fixed); }
     static Length initialX() { return Length(Fixed); }
     static Length initialY() { return Length(Fixed); }
+    static Length initialR() { return Length(Fixed); }
     static Length initialRx() { return Length(Fixed); }
     static Length initialRy() { return Length(Fixed); }
 
@@ -123,6 +126,16 @@ public:
     void setGlyphOrientationVertical(EGlyphOrientation val) { svg_inherited_flags._glyphOrientationVertical = val; }
     void setMaskType(EMaskType val) { svg_noninherited_flags.f.maskType = val; }
     void setPaintOrder(EPaintOrder val) { svg_inherited_flags._paintOrder = (int)val; }
+    void setCx(const Length& obj)
+    {
+        if (!(layout->cx == obj))
+            layout.access()->cx = obj;
+    }
+    void setCy(const Length& obj)
+    {
+        if (!(layout->cy == obj))
+            layout.access()->cy = obj;
+    }
     void setX(const Length& obj)
     {
         if (!(layout->x == obj))
@@ -133,6 +146,11 @@ public:
         if (!(layout->y == obj))
             layout.access()->y = obj;
     }
+    void setR(const Length& obj)
+    {
+        if (!(layout->r == obj))
+            layout.access()->r = obj;
+    }
     void setRx(const Length& obj)
     {
         if (!(layout->rx == obj))
@@ -329,8 +347,11 @@ public:
     const Color& floodColor() const { return misc->floodColor; }
     const Color& lightingColor() const { return misc->lightingColor; }
     const Length& baselineShiftValue() const { return misc->baselineShiftValue; }
+    const Length& cx() const { return layout->cx; }
+    const Length& cy() const { return layout->cy; }
     const Length& x() const { return layout->x; }
     const Length& y() const { return layout->y; }
+    const Length& r() const { return layout->r; }
     const Length& rx() const { return layout->rx; }
     const Length& ry() const { return layout->ry; }
     const AtomicString& clipperResource() const { return resources->clipper; }