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

content/common/fileapi/file_system_dispatcher.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/fileapi/file_system_dispatcher.h"
 
 #include "base/file_util.h"
 #include "base/process.h"
 #include "content/common/child_thread.h"
 #include "content/common/fileapi/file_system_messages.h"
@@ skipping 167 matching lines @@
     return false;
   }
 
   if (request_id_out)
     *request_id_out = request_id;
   return true;
 }
 
 bool FileSystemDispatcher::Write(
     const GURL& path,
-    const GURL& blob_url,
+    const std::string& blob_uuid,
     int64 offset,
     int* request_id_out,
     fileapi::FileSystemCallbackDispatcher* dispatcher) {
   int request_id = dispatchers_.Add(dispatcher);
   if (!ChildThread::current()->Send(
-          new FileSystemHostMsg_Write(request_id, path, blob_url, offset))) {
+          new FileSystemHostMsg_Write(request_id, path, blob_uuid, offset))) {
     dispatchers_.Remove(request_id);  // destroys |dispatcher|
     return false;
   }
 
   if (request_id_out)
     *request_id_out = request_id;
   return true;
 }
 
 bool FileSystemDispatcher::Cancel(
@@ skipping 146 matching lines @@
 void FileSystemDispatcher::OnDidOpenFile(
     int request_id, IPC::PlatformFileForTransit file) {
   fileapi::FileSystemCallbackDispatcher* dispatcher =
       dispatchers_.Lookup(request_id);
   DCHECK(dispatcher);
   dispatcher->DidOpenFile(IPC::PlatformFileForTransitToPlatformFile(file));
   dispatchers_.Remove(request_id);
 }
 
 }  // namespace content