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

webkit/blob/blob_data.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_BLOB_BLOB_DATA_H_
 #define WEBKIT_BLOB_BLOB_DATA_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/time.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/base/data_element.h"
 #include "webkit/blob/shareable_file_reference.h"
 #include "webkit/storage/webkit_storage_export.h"
 
 namespace webkit_blob {
 
 class WEBKIT_STORAGE_EXPORT BlobData : public base::RefCounted<BlobData> {
  public:
   typedef webkit_base::DataElement Item;
 
-  BlobData();
+  explicit BlobData(const std::string& uuid);
 
   void AppendData(const std::string& data) {
     AppendData(data.c_str(), data.size());
   }
 
   void AppendData(const char* data, size_t length);
 
   void AppendFile(const base::FilePath& file_path, uint64 offset, uint64 length,
                   const base::Time& expected_modification_time);
 
-  void AppendBlob(const GURL& blob_url, uint64 offset, uint64 length);
+  void AppendBlob(const std::string& uuid, uint64 offset, uint64 length);
 
   void AppendFileSystemFile(const GURL& url, uint64 offset, uint64 length,
                             const base::Time& expected_modification_time);
 
   void AttachShareableFileReference(ShareableFileReference* reference) {
     shareable_files_.push_back(reference);
   }
 
   const std::vector<Item>& items() const { return items_; }
 
+  const std::string& uuid() const { return uuid_; }
+
   const std::string& content_type() const { return content_type_; }
   void set_content_type(const std::string& content_type) {
     content_type_ = content_type;
   }
 
   const std::string& content_disposition() const {
     return content_disposition_;
   }
   void set_content_disposition(const std::string& content_disposition) {
     content_disposition_ = content_disposition;
   }
 
   int64 GetMemoryUsage() const;
 
  private:
   friend class base::RefCounted<BlobData>;
   virtual ~BlobData();
 
+  std::string uuid_;
   std::string content_type_;
   std::string content_disposition_;
   std::vector<Item> items_;
   std::vector<scoped_refptr<ShareableFileReference> > shareable_files_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobData);
 };
 
 #if defined(UNIT_TEST)
 inline bool operator==(const BlobData& a, const BlobData& b) {
@@ skipping 11 matching lines @@
 }
 
 inline bool operator!=(const BlobData& a, const BlobData& b) {
   return !(a == b);
 }
 #endif  // defined(UNIT_TEST)
 
 }  // namespace webkit_blob
 
 #endif  // WEBKIT_BLOB_BLOB_DATA_H_