AXObject::performDefaultAction() should focus if it can't click

third_party/WebKit/Source/modules/accessibility/AXObject.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1333 matching lines @@
     }
     container->getRelativeBounds(&container, bounds, transform);
   }
   return LayoutRect(computedBounds);
 }
 
 //
 // Modify or take an action on an object.
 //
 
-bool AXObject::press() const {
+bool AXObject::press() {
+  Document* document = getDocument();
+  if (!document)
+    return false;
+
+  UserGestureIndicator gestureIndicator(
+      DocumentUserGestureToken::create(document, UserGestureToken::NewGesture));
   Element* actionElem = actionElement();
-  if (!actionElem)
-    return false;
-  UserGestureIndicator gestureIndicator(DocumentUserGestureToken::create(
-      &actionElem->document(), UserGestureToken::NewGesture));
-  actionElem->accessKeyAction(true);
-  return true;
+  if (actionElem) {
+    actionElem->accessKeyAction(true);
+    return true;
+  }
+
+  if (canSetFocusAttribute()) {
+    setFocused(true);
+    return true;
+  }
+
+  return false;
 }
 
 void AXObject::scrollToMakeVisible() const {
   IntRect objectRect = pixelSnappedIntRect(getBoundsInFrameCoordinates());
   objectRect.setLocation(IntPoint());
   scrollToMakeVisibleWithSubFocus(objectRect);
 }
 
 // This is a 1-dimensional scroll offset helper function that's applied
 // separately in the horizontal and vertical directions, because the
@@ skipping 390 matching lines @@
 }
 
 DEFINE_TRACE(AXObject) {
   visitor->trace(m_children);
   visitor->trace(m_parent);
   visitor->trace(m_cachedLiveRegionRoot);
   visitor->trace(m_axObjectCache);
 }
 
 }  // namespace blink