Revert 184783 "The link should be activated by enter key on focus.."

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 12e971eef5b2670b9b178121c9f2f9f322ef5b4b..bebcd3a86386143c021caccee6880af74b2b13fa 100644
--- a/Source/core/svg/SVGAElement.cpp
+++ b/Source/core/svg/SVGAElement.cpp
@@ -118,9 +118,7 @@ RenderObject* SVGAElement::createRenderer(RenderStyle*)
 void SVGAElement::defaultEventHandler(Event* event)
 {
     if (isLink()) {
-        Node* target = event->target() ? event->target()->toNode() : 0;
-        bool hasFocus = focused() || (target && target->focused());
-        if (hasFocus && isEnterKeyKeypressEvent(event)) {
+        if (focused() && isEnterKeyKeydownEvent(event)) {
             event->setDefaultHandled();
             dispatchSimulatedClick(event);
             return;