vboot_reference: add creation of GBB blob to gbb_utility

utility/include/gbb_utility.h

 // Copyright (c) 2010 The Chromium OS 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 VBOOT_REFERENCE_GBB_UTILITY_H_
 #define VBOOT_REFERENCE_GBB_UTILITY_H_
 
 #include <string>
+#include <vector>
 #include "gbb_header.h"
 
 namespace vboot_reference {
 
 class GoogleBinaryBlockUtil {
  public:
   // enumerate of available data fields
   enum PROPINDEX {
     PROP_HWID,      // hardware id
     PROP_ROOTKEY,   // root key
     PROP_BMPFV,     // bitmap FV
     PROP_RCVKEY,    // recovery key
     PROP_RANGE,     // indicator of valid property range
   };
 
   GoogleBinaryBlockUtil();
   ~GoogleBinaryBlockUtil();
 
   // load GBB from a BIOS image file.
   // return true if a valid GBB was retrieved.
   bool load_from_file(const char *filename);
 
   // save loaded (and modified) GBB with BIOS image to new file
   // return true on success.
   bool save_to_file(const char *filename);
 
+  // create a new GBB blob by providing a list of reserved data size for each
+  // properties, following the order described in GoogleBinaryBlockHeader.
+  // return true on success.
+  bool create_new(const std::vector<uint32_t> &create_param);
+
   // retrieve the value of a property from GBB data.
   // return the property value.
   std::string get_property(PROPINDEX i) const;
 
   // overwrite a property in GBB data.
   // return true on success.
   bool set_property(PROPINDEX i, const std::string &value);
 
   // get a readable name by a property index.
   // return the name for valid properties, otherwise unexpected empty string.
@@ skipping 33 matching lines @@
   std::string file_content_;            // complete image file content
   long header_offset_;                  // offset to GBB header in file_content_
   bool is_valid_gbb;                    // if we are holding a valid GBB
 
   bool verbose;                         // provide verbose messages
 };
 
 }  // namespace vboot_reference
 
 #endif  // VBOOT_REFERENCE_GBB_UTILITY_H_
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