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

webkit/fileapi/webfilewriter_base.h

 // 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.
 
 #ifndef WEBKIT_FILEAPI_WEBFILEWRITER_BASE_H_
 #define WEBKIT_FILEAPI_WEBFILEWRITER_BASE_H_
 
+#include <string>
+
 #include "base/platform_file.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFileWriter.h"
 #include "webkit/storage/webkit_storage_export.h"
 
 namespace WebKit {
 class WebFileWriterClient;
 class WebURL;
 }
 
 namespace fileapi {
 
 class WEBKIT_STORAGE_EXPORT WebFileWriterBase
     : public NON_EXPORTED_BASE(WebKit::WebFileWriter) {
  public:
   WebFileWriterBase(
       const GURL& path, WebKit::WebFileWriterClient* client);
   virtual ~WebFileWriterBase();
 
   // WebFileWriter implementation
   virtual void truncate(long long length);
-  virtual void write(long long position, const WebKit::WebURL& blobURL);
+  virtual void write(long long position, const WebKit::WebString& blobUUID);
   virtual void cancel();
 
  protected:
   // Derived classes must provide these methods to asynchronously perform
   // the requested operation, and they must call the appropiate DidSomething
   // method upon completion and as progress is made in the Write case.
   virtual void DoTruncate(const GURL& path, int64 offset) = 0;
-  virtual void DoWrite(const GURL& path, const GURL& blob_url,
+  virtual void DoWrite(const GURL& path, const std::string& blob_uuid,
                        int64 offset) = 0;
   virtual void DoCancel() = 0;
 
   void DidSucceed();
   void DidFail(base::PlatformFileError error_code);
   void DidWrite(int64 bytes, bool complete);
 
  private:
   enum OperationType {
     kOperationNone,
@@ skipping 11 matching lines @@
 
   GURL path_;
   WebKit::WebFileWriterClient* client_;
   OperationType operation_;
   CancelState cancel_state_;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_WEBFILEWRITER_BASE_H_