Speculatively launch Service Workers on mouse/touch events. [5/5]

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.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 220 matching lines @@
 
 void HTMLAnchorElement::defaultEventHandler(Event* event)
 {
     if (isLink()) {
         if (focused() && isEnterKeyKeydownEvent(event) && isLiveLink()) {
             event->setDefaultHandled();
             dispatchSimulatedClick(event);
             return;
         }
 
-        // TODO(horo): Call NavigationHintSender::handleEvent() when
-        // SpeculativeLaunchServiceWorker feature is enabled.
-        // ensureNavigationHintSender()->handleEvent(event);
+        if (RuntimeEnabledFeatures::speculativeLaunchServiceWorkerEnabled())
+            ensureNavigationHintSender()->handleEvent(event);
 
         if (isLinkClick(event) && isLiveLink()) {
             handleClick(event);
             return;
         }
     }
 
     HTMLElement::defaultEventHandler(event);
 }
 
@@ skipping 223 matching lines @@
 }
 
 HTMLAnchorElement::NavigationHintSender* HTMLAnchorElement::ensureNavigationHintSender()
 {
     if (!m_navigationHintSender)
         m_navigationHintSender = NavigationHintSender::create(this);
     return m_navigationHintSender;
 }
 
 } // namespace blink