Add blob serialization support [currently unused] to SerializedScriptValue.

Source/core/fileapi/File.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 44 matching lines @@
     static PassRefPtrWillBeRawPtr<File> create(const String& name, double modificationTime, PassRefPtr<BlobDataHandle> blobDataHandle)
     {
         return adoptRefWillBeNoop(new File(name, modificationTime, blobDataHandle));
     }
 
     // For deserialization.
     static PassRefPtrWillBeRawPtr<File> create(const String& path, const String& name, const String& relativePath, bool hasSnaphotData, uint64_t size, double lastModified, PassRefPtr<BlobDataHandle> blobDataHandle)
     {
         return adoptRefWillBeNoop(new File(path, name, relativePath, hasSnaphotData, size, lastModified, blobDataHandle));
     }
+    static PassRefPtr<File> create(const String& path, const String& name, PassRefPtr<BlobDataHandle> blobDataHandle, double lastModified, long long size)

[jsbell, 2014/04/03 18:16:33]

The previous create() has size as uint64_t instead of long long, and the order
is (blobDataHandle, size, lastModified) vs. (lastModified, size, blobDataHandle)

It'd be nice to be consistent.

[ericu, 2014/04/07 23:14:20]

Good point; done.

+    {
+        return adoptRef(new File(path, name, String(), true, size, lastModified, blobDataHandle));
+    }
 
     static PassRefPtrWillBeRawPtr<File> createWithRelativePath(const String& path, const String& relativePath);
 
     // If filesystem files live in the remote filesystem, the port might pass the valid metadata (whose length field is non-negative) and cache in the File object.
     //
     // Otherwise calling size(), lastModifiedTime() and slice() will synchronously query the file metadata.
     static PassRefPtrWillBeRawPtr<File> createForFileSystemFile(const String& name, const FileMetadata& metadata)
     {
         return adoptRefWillBeNoop(new File(name, metadata));
     }
@@ skipping 65 matching lines @@
     const double m_snapshotModificationTime;
 
     String m_relativePath;
 };
 
 DEFINE_TYPE_CASTS(File, Blob, blob, blob->isFile(), blob.isFile());
 
 } // namespace WebCore
 
 #endif // File_h