Speculatively launch Service Workers on mouse/touch events. [2/5]

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 19 matching lines @@
 #include "core/frame/UseCounter.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/layout/LayoutBox.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/loader/PingLoader.h"
 #include "core/page/ChromeClient.h"
 #include "platform/network/NetworkHints.h"
 #include "platform/weborigin/SecurityPolicy.h"
+#include "public/platform/WebNavigationHintType.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 class HTMLAnchorElement::NavigationHintSender : public GarbageCollected<HTMLAnchorElement::NavigationHintSender> {
 public:
-    // TODO(horo): Move WebNavigationHintType to public/ directory.
-    enum class WebNavigationHintType {
-        Unknown,
-        LinkMouseDown,
-        LinkTapUnconfirmed,
-        LinkTapDown,
-        Last = LinkTapDown
-    };
-
     static NavigationHintSender* create(HTMLAnchorElement* anchorElement)
     {
         return new NavigationHintSender(anchorElement);
     }
     void handleEvent(Event*);
 
     DECLARE_TRACE();
 
 private:
     explicit NavigationHintSender(HTMLAnchorElement*);
@@ skipping 43 matching lines @@
         return false;
 
     return true;
 }
 
 void HTMLAnchorElement::NavigationHintSender::maybeSendNavigationHint(WebNavigationHintType type)
 {
     if (!shouldSendNavigationHint())
         return;
 
-    // TODO(horo): Send the navigation hint message to the browser process.
+    sendNavigationHint(m_anchorElement->href(), type);
 }
 
 HTMLAnchorElement::HTMLAnchorElement(const QualifiedName& tagName, Document& document)
     : HTMLElement(tagName, document)
     , m_linkRelations(0)
     , m_cachedVisitedLinkHash(0)
     , m_wasFocusedByMouse(false)
 {
 }
 
@@ skipping 354 matching lines @@
 }
 
 HTMLAnchorElement::NavigationHintSender* HTMLAnchorElement::ensureNavigationHintSender()
 {
     if (!m_navigationHintSender)
         m_navigationHintSender = NavigationHintSender::create(this);
     return m_navigationHintSender;
 }
 
 } // namespace blink