Split Resource::Status into a separate file

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 10 matching lines @@
     Boston, MA 02110-1301, USA.
 */
 
 #ifndef Resource_h
 #define Resource_h
 
 #include "core/CoreExport.h"
 #include "core/fetch/CachedMetadataHandler.h"
 #include "core/fetch/IntegrityMetadata.h"
 #include "core/fetch/ResourceLoaderOptions.h"
+#include "core/fetch/ResourceStatus.h"
 #include "platform/MemoryCoordinator.h"
 #include "platform/SharedBuffer.h"
 #include "platform/Timer.h"
 #include "platform/network/ResourceError.h"
 #include "platform/network/ResourceLoadPriority.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceResponse.h"
 #include "platform/tracing/web_process_memory_dump.h"
 #include "public/platform/WebDataConsumerHandle.h"
 #include "wtf/Allocator.h"
@@ skipping 35 matching lines @@
     SVGDocument,
     XSLStyleSheet,
     LinkPrefetch,
     TextTrack,
     ImportResource,
     Media,  // Audio or video file requested by a HTML5 media element
     Manifest
   };
   static const int kLastResourceType = Manifest + 1;
 
-  enum Status {
-    NotStarted,
-    Pending,  // load in progress
-    Cached,   // load completed successfully
-    LoadError,
-    DecodeError
-  };
+  using Status = ResourceStatus;
+
+  // TODO(hiroshige): Remove the following declarations.
+  static constexpr Status NotStarted = ResourceStatus::NotStarted;
+  static constexpr Status Pending = ResourceStatus::Pending;
+  static constexpr Status Cached = ResourceStatus::Cached;
+  static constexpr Status LoadError = ResourceStatus::LoadError;
+  static constexpr Status DecodeError = ResourceStatus::DecodeError;
 
   // Whether a resource client for a preload should mark the preload as
   // referenced.
   enum PreloadReferencePolicy {
     MarkAsReferenced,
     DontMarkAsReferenced,
   };
 
   virtual ~Resource();
 
@@ skipping 388 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