Remove blink::Resource::Type::LinkPrefetch and replace it by a flag

third_party/WebKit/Source/core/fetch/Resource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
 
     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 1053 matching lines @@
     case Resource::Script:
         return "Script";
     case Resource::Font:
         return "Font";
     case Resource::Raw:
         return initatorTypeNameToString(initiatorInfo.name);
     case Resource::SVGDocument:
         return "SVG document";
     case Resource::XSLStyleSheet:
         return "XSL stylesheet";
-    case Resource::LinkPrefetch:
-        return "Link prefetch resource";
     case Resource::LinkPreload:
         return "Link preload resource";
     case Resource::TextTrack:
         return "Text track";
     case Resource::ImportResource:
         return "Imported resource";
     case Resource::Media:
         return "Media";
     case Resource::Manifest:
         return "Manifest";
     }
     ASSERT_NOT_REACHED();
     return initatorTypeNameToString(initiatorInfo.name);
 }
 
 bool Resource::shouldBlockLoadEvent() const
 {
     return !m_linkPreload && isLoadEventBlockingResourceType();
 }
 
 bool Resource::isLoadEventBlockingResourceType() const
 {
+    if (isPrefetch())
+        return false;
+
     switch (m_type) {
     case Resource::MainResource:
     case Resource::Image:
     case Resource::CSSStyleSheet:
     case Resource::Script:
     case Resource::Font:
     case Resource::SVGDocument:
     case Resource::XSLStyleSheet:
     case Resource::ImportResource:
         return true;
     case Resource::Raw:
-    case Resource::LinkPrefetch:
     case Resource::LinkPreload:
     case Resource::TextTrack:
     case Resource::Media:
     case Resource::Manifest:
         return false;
     }
     ASSERT_NOT_REACHED();
     return false;
 }
 
 } // namespace blink