Fix errors caused by unsafe conversions to/from size_t

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 90 matching lines @@
     virtual ~Resource();
 public:
 #endif
     virtual void dispose();
     DECLARE_VIRTUAL_TRACE();
 
     virtual void load(ResourceFetcher*, const ResourceLoaderOptions&);
 
     virtual void setEncoding(const String&) { }
     virtual String encoding() const { return String(); }
-    virtual void appendData(const char*, unsigned);
+    virtual void appendData(const char*, size_t);
     virtual void error(Resource::Status);
     virtual void setCORSFailed() { }
 
     void setNeedsSynchronousCacheHit(bool needsSynchronousCacheHit) { m_needsSynchronousCacheHit = needsSynchronousCacheHit; }
 
     void setAvoidBlockingOnLoad(bool doNotBlock) { m_avoidBlockingOnLoad = doNotBlock; }
     bool avoidBlockingOnLoad() { return m_avoidBlockingOnLoad; }
 
     void setResourceError(const ResourceError& error) { m_error = error; }
     const ResourceError& resourceError() const { return m_error; }
@@ skipping 325 matching lines @@
 const char* ResourceTypeName(Resource::Type);
 #endif
 
 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \
     DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, resource->type() == Resource::typeName, resource.type() == Resource::typeName); \
     inline typeName##Resource* to##typeName##Resource(const ResourcePtr<Resource>& ptr) { return to##typeName##Resource(ptr.get()); }
 
 }
 
 #endif