Only simulate click for non-repeat Enter keydown on <a>

third_party/WebKit/Source/core/html/HTMLAnchorElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLAnchorElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLAnchorElement.cpp b/third_party/WebKit/Source/core/html/HTMLAnchorElement.cpp
index e2e3ef67b2875973b3b76c41d5acab1f4c1d6e0c..e7fc3dcbed2fa990f66309af0a2e7c3123fe718c 100644
--- a/third_party/WebKit/Source/core/html/HTMLAnchorElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLAnchorElement.cpp
@@ -368,7 +368,7 @@ void HTMLAnchorElement::handleClick(Event* event)
 
 bool isEnterKeyKeydownEvent(Event* event)
 {
-    return event->type() == EventTypeNames::keydown && event->isKeyboardEvent() && toKeyboardEvent(event)->keyIdentifier() == "Enter";
+    return event->type() == EventTypeNames::keydown && event->isKeyboardEvent() && toKeyboardEvent(event)->keyIdentifier() == "Enter" && !toKeyboardEvent(event)->repeat();
 }
 
 bool isLinkClick(Event* event)