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

Source/core/frame/UseCounter.cpp

Index: Source/core/frame/UseCounter.cpp
diff --git a/Source/core/frame/UseCounter.cpp b/Source/core/frame/UseCounter.cpp
index 79739c5e09d9124ebe166b3ffd87de8b88088e4b..03fb99a6ddae12ed3ebf27b9de73dfba2ee94ce5 100644
--- a/Source/core/frame/UseCounter.cpp
+++ b/Source/core/frame/UseCounter.cpp
@@ -500,6 +500,9 @@ int UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(int id)
     case CSSPropertyRx: return 463;
     case CSSPropertyRy: return 464;
     case CSSPropertyFontSizeAdjust: return 465;
+    case CSSPropertyCx: return 466;
+    case CSSPropertyCy: return 467;
+    case CSSPropertyR: return 468;
 
     // 1. Add new features above this line (don't change the assigned numbers of the existing
     // items).
@@ -516,7 +519,7 @@ int UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(int id)
     return 0;
 }
 
-static int maximumCSSSampleId() { return 465; }
+static int maximumCSSSampleId() { return 468; }
 
 void UseCounter::muteForInspector()
 {