Remove bitfields in Resource used for storing enum values

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
@@ skipping 143 matching lines @@
   // resource clients that simply observe the resource.
   void addClient(ResourceClient*, PreloadReferencePolicy = MarkAsReferenced);
   void removeClient(ResourceClient*);
 
   enum PreloadResult {
     PreloadNotReferenced,
     PreloadReferenced,
     PreloadReferencedWhileLoading,
     PreloadReferencedWhileComplete
   };
-  PreloadResult getPreloadResult() const {
-    return static_cast<PreloadResult>(m_preloadResult);
-  }
+  PreloadResult getPreloadResult() const { return m_preloadResult; }
 
-  Status getStatus() const { return static_cast<Status>(m_status); }
+  Status getStatus() const { return m_status; }
   void setStatus(Status status) { m_status = status; }
 
   size_t size() const { return encodedSize() + decodedSize() + overheadSize(); }
 
   // Returns the size of content (response body) before decoding. Adding a new
   // usage of this function is not recommended (See the TODO below).
   //
   // TODO(hiroshige): Now encodedSize/decodedSize states are inconsistent and
   // need to be refactored (crbug/643135).
   size_t encodedSize() const { return m_encodedSize; }
@@ skipping 248 matching lines @@
   // initial |m_resourceRequest| is given, to reduce MemoryCache manipulation
   // and thus potential bugs. crbug.com/594644
   const size_t m_overheadSize;
 
   unsigned m_preloadCount;
 
   double m_preloadDiscoveryTime;
 
   String m_cacheIdentifier;
 
-  unsigned m_preloadResult : 2;  // PreloadResult
-  unsigned m_type : 4;           // Type
-  unsigned m_status : 3;         // Status
+  PreloadResult m_preloadResult;
+  Type m_type;
+  Status m_status;
 
   bool m_needsSynchronousCacheHit;
   bool m_linkPreload;
   bool m_isRevalidating;
   bool m_isAlive;
   bool m_isAddRemoveClientProhibited;
 
   ResourceIntegrityDisposition m_integrityDisposition;
   IntegrityMetadataSet m_integrityMetadata;
 
@@ skipping 33 matching lines @@
 };
 
 #define DEFINE_RESOURCE_TYPE_CASTS(typeName)                   \
   DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource,    \
                     resource->getType() == Resource::typeName, \
                     resource.getType() == Resource::typeName);
 
 }  // namespace blink
 
 #endif