[svg2] Make 'x' and 'y' presentation attributes

Source/core/css/CSSComputedStyleDeclaration.cpp

Index: Source/core/css/CSSComputedStyleDeclaration.cpp
diff --git a/Source/core/css/CSSComputedStyleDeclaration.cpp b/Source/core/css/CSSComputedStyleDeclaration.cpp
index 4df42f3590ed4458f7bf27df79c4a8e60cbff7f0..fc8741d6e0a4c05740452b95a67455ed198f160a 100644
--- a/Source/core/css/CSSComputedStyleDeclaration.cpp
+++ b/Source/core/css/CSSComputedStyleDeclaration.cpp
@@ -341,7 +341,9 @@ static const CSSPropertyID staticComputableProperties[] = {
     CSSPropertyGlyphOrientationHorizontal,
     CSSPropertyGlyphOrientationVertical,
     CSSPropertyVectorEffect,
-    CSSPropertyPaintOrder
+    CSSPropertyPaintOrder,
+    CSSPropertyX,
+    CSSPropertyY
 };
 
 static const Vector<CSSPropertyID>& computableProperties()
@@ -481,6 +483,8 @@ static bool isLayoutDependent(CSSPropertyID propertyID, PassRefPtr<LayoutStyle>
     case CSSPropertyMotionRotation:
     case CSSPropertyWidth:
     case CSSPropertyWebkitFilter:
+    case CSSPropertyX:
+    case CSSPropertyY:
         return true;
     case CSSPropertyMargin:
         return renderer && renderer->isBox() && (!style || !style->marginBottom().isFixed() || !style->marginTop().isFixed() || !style->marginLeft().isFixed() || !style->marginRight().isFixed());