********** Chromium Blob hacking

webkit/fileapi/local_file_system_operation.h

Index: webkit/fileapi/local_file_system_operation.h
===================================================================
--- webkit/fileapi/local_file_system_operation.h	(revision 171309)
+++ webkit/fileapi/local_file_system_operation.h	(working copy)
@@ -22,6 +22,10 @@
 class CrosMountPointProvider;
 }
 
+namespace webkit_blob {
+class BlobDataHandle;
+}
+
 namespace fileapi {
 
 class FileSystemContext;
@@ -58,7 +62,7 @@
                       const StatusCallback& callback) OVERRIDE;
   virtual void Write(const net::URLRequestContext* url_request_context,
                      const FileSystemURL& url,
-                     const GURL& blob_url,
+                     scoped_ptr<webkit_blob::BlobDataHandle> blob_handle,
                      int64 offset,
                      const WriteCallback& callback) OVERRIDE;
   virtual void Truncate(const FileSystemURL& url, int64 length,
@@ -152,7 +156,7 @@
   base::Closure GetWriteClosure(
       const net::URLRequestContext* url_request_context,
       const FileSystemURL& url,
-      const GURL& blob_url,
+      scoped_ptr<webkit_blob::BlobDataHandle> blob_handle,
       int64 offset,
       const WriteCallback& callback);
   void DidFailWrite(