Remove bitfields in Resource used for storing enum values

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
@@ skipping 305 matching lines @@
       m_needsSynchronousCacheHit(false),
       m_linkPreload(false),
       m_isRevalidating(false),
       m_isAlive(false),
       m_isAddRemoveClientProhibited(false),
       m_integrityDisposition(ResourceIntegrityDisposition::NotChecked),
       m_options(options),
       m_responseTimestamp(currentTime()),
       m_cancelTimer(this, &Resource::cancelTimerFired),
       m_resourceRequest(request) {
-  // m_type is a bitfield, so this tests careless updates of the enum.
-  DCHECK_EQ(m_type, unsigned(type));
   InstanceCounters::incrementCounter(InstanceCounters::ResourceCounter);
 
   // Currently we support the metadata caching only for HTTP family.
   if (m_resourceRequest.url().protocolIsInHTTPFamily())
     m_cacheHandler = CachedMetadataHandlerImpl::create(this);
   MemoryCoordinator::instance().registerClient(this);
 }
 
 Resource::~Resource() {
   InstanceCounters::decrementCounter(InstanceCounters::ResourceCounter);
@@ skipping 766 matching lines @@
     case Resource::TextTrack:
     case Resource::Media:
     case Resource::Manifest:
       return false;
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace blink