Do not reset mouse focus flag on keydown at anchor elements

Source/core/html/HTMLFormControlElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 322 matching lines @@
 bool HTMLFormControlElement::shouldShowFocusRingOnMouseFocus() const
 {
     return false;
 }
 
 bool HTMLFormControlElement::shouldHaveFocusAppearance() const
 {
     return !m_wasFocusedByMouse || shouldShowFocusRingOnMouseFocus();
 }
 
-bool HTMLFormControlElement::wasFocusedByMouse() const
+void HTMLFormControlElement::dispatchFocusEvent(Element* oldFocusedElement, FocusType type)
 {
-    return m_wasFocusedByMouse;
+    if (type != FocusTypePage)
+        m_wasFocusedByMouse = type == FocusTypeMouse;
+    HTMLElement::dispatchFocusEvent(oldFocusedElement, type);
 }
 
-void HTMLFormControlElement::setWasFocusedByMouse(bool wasFocusedByMouse)
+void HTMLFormControlElement::willCallDefaultEventHandler(const Event& event)
 {
-    m_wasFocusedByMouse = wasFocusedByMouse;
+    if (!m_wasFocusedByMouse)
+        return;
+    if (!event.isKeyboardEvent() || event.type() != EventTypeNames::keydown)
+        return;
+    m_wasFocusedByMouse = false;
+    if (renderer())
+        renderer()->setShouldDoFullPaintInvalidation(true);
 }
 
 short HTMLFormControlElement::tabIndex() const
 {
     // Skip the supportsFocus check in HTMLElement.
     return Element::tabIndex();
 }
 
 bool HTMLFormControlElement::recalcWillValidate() const
 {
@@ skipping 182 matching lines @@
 
 void HTMLFormControlElement::setFocus(bool flag)
 {
     LabelableElement::setFocus(flag);
 
     if (!flag && wasChangedSinceLastFormControlChangeEvent())
         dispatchFormControlChangeEvent();
 }
 
 } // namespace Webcore