********** WebCore blob hacking

WebCore/platform/AsyncFileSystemCallbacks.h

Index: WebCore/platform/AsyncFileSystemCallbacks.h
===================================================================
--- WebCore/platform/AsyncFileSystemCallbacks.h	(revision 140218)
+++ WebCore/platform/AsyncFileSystemCallbacks.h	(working copy)
@@ -35,11 +35,14 @@
 
 #include "AsyncFileSystem.h"
 #include "AsyncFileWriter.h"
+#include "BlobData.h"
 #include "FileMetadata.h"
 #include <wtf/text/WTFString.h>
 
 namespace WebCore {
 
+class BlobDataHandle;
+
 class AsyncFileSystemCallbacks {
     WTF_MAKE_NONCOPYABLE(AsyncFileSystemCallbacks);
 public:
@@ -54,6 +57,9 @@
     // Called when a file metadata is read successfully.
     virtual void didReadMetadata(const FileMetadata&) { ASSERT_NOT_REACHED(); }
 
+    // Called when a snapshot file is created successfully.
+    virtual void didCreateSnapshotFile(const FileMetadata&, PassRefPtr<BlobDataHandle> snapshot) { ASSERT_NOT_REACHED(); }
+
     // Called when a directory entry is read.
     virtual void didReadDirectoryEntry(const String& name, bool isDirectory) { ASSERT_NOT_REACHED(); }