Chromium Blob hacking

content/child/fileapi/webfilewriter_impl.h

Index: content/child/fileapi/webfilewriter_impl.h
diff --git a/content/child/fileapi/webfilewriter_impl.h b/content/child/fileapi/webfilewriter_impl.h
index 69b979b020d89558b16c12e52048d24f5e378cc0..c4a5995612137b2439fd4c3d8ade53405928bba5 100644
--- a/content/child/fileapi/webfilewriter_impl.h
+++ b/content/child/fileapi/webfilewriter_impl.h
@@ -5,6 +5,8 @@
 #ifndef CONTENT_CHILD_FILEAPI_WEBFILEWRITER_IMPL_H_
 #define CONTENT_CHILD_FILEAPI_WEBFILEWRITER_IMPL_H_
 
+#include <string>
+
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ -30,7 +32,9 @@ class WebFileWriterImpl : public WebFileWriterBase,
  protected:
   // WebFileWriterBase overrides
   virtual void DoTruncate(const GURL& path, int64 offset) OVERRIDE;
-  virtual void DoWrite(const GURL& path, const GURL& blob_url,
+  virtual void DoWriteDeprecated(
+      const GURL& path, const GURL& blob_url, int64 offset) OVERRIDE;
+  virtual void DoWrite(const GURL& path, const std::string& blob_id,
                        int64 offset) OVERRIDE;
   virtual void DoCancel() OVERRIDE;