Make anchors mouse-focusable

Source/core/svg/SVGAElement.cpp

Index: Source/core/svg/SVGAElement.cpp
diff --git a/Source/core/svg/SVGAElement.cpp b/Source/core/svg/SVGAElement.cpp
index 7cb84f81f84681390520a21c97e0d0a3f474d8cf..a40d061e5433cce8979ba6bb18b1dd57e3fcd198 100644
--- a/Source/core/svg/SVGAElement.cpp
+++ b/Source/core/svg/SVGAElement.cpp
@@ -157,7 +157,12 @@ bool SVGAElement::supportsFocus() const
     if (hasEditableStyle())
         return SVGGraphicsElement::supportsFocus();
     // If not a link we should still be able to focus the element if it has tabIndex.
-    return isLink() || Element::supportsFocus();
+    return isLink() || SVGGraphicsElement::supportsFocus();
+}
+
+bool SVGAElement::shouldShowFocusRingOnMouseFocus() const
+{
+    return SVGGraphicsElement::supportsFocus();
 }
 
 bool SVGAElement::isURLAttribute(const Attribute& attribute) const
@@ -167,10 +172,8 @@ bool SVGAElement::isURLAttribute(const Attribute& attribute) const
 
 bool SVGAElement::isMouseFocusable() const
 {
-    // Links are focusable by default, but only allow links with tabindex or contenteditable to be mouse focusable.
-    // https://bugs.webkit.org/show_bug.cgi?id=26856
     if (isLink())
-        return Element::supportsFocus();
+        return supportsFocus();
 
     return SVGElement::isMouseFocusable();
 }