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

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

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@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
     version 2 of the License, or (at your option) any later version.
@@ skipping 51 matching lines @@
     // update |kLastResourceType|.
     enum Type {
         MainResource,
         Image,
         CSSStyleSheet,
         Script,
         Font,
         Raw,
         SVGDocument,
         XSLStyleSheet,
-        LinkPrefetch,
         LinkPreload,
         TextTrack,
         ImportResource,
         Media, // Audio or video file requested by a HTML5 media element
         Manifest
     };
     static const int kLastResourceType = Manifest + 1;
 
     enum Status {
         NotStarted,
@@ skipping 119 matching lines @@
     bool loadFailedOrCanceled() { return !m_error.isNull(); }
 
     DataBufferingPolicy getDataBufferingPolicy() const { return m_options.dataBufferingPolicy; }
     void setDataBufferingPolicy(DataBufferingPolicy);
 
     bool isUnusedPreload() const { return isPreloaded() && getPreloadResult() == PreloadNotReferenced; }
     bool isPreloaded() const { return m_preloadCount; }
     void increasePreloadCount() { ++m_preloadCount; }
     void decreasePreloadCount() { ASSERT(m_preloadCount); --m_preloadCount; }
 
+    virtual bool isPrefetch() const { return false; }
+
     bool canReuseRedirectChain();
     bool mustRevalidateDueToCacheHeaders();
     bool canUseCacheValidator();
     bool isCacheValidator() const { return m_isRevalidating; }
     bool hasCacheControlNoStoreHeader() const;
     bool hasVaryHeader() const;
     virtual bool mustRefetchDueToIntegrityMetadata(const FetchRequest& request) const { return false; }
 
     double currentAge() const;
     double freshnessLifetime();
@@ skipping 154 matching lines @@
 
     Resource::Type m_type;
 };
 
 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \
     DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, resource->getType() == Resource::typeName, resource.getType() == Resource::typeName);
 
 } // namespace blink
 
 #endif