Use builders to convert between WebKit and content IDB types

content/common/indexed_db/indexed_db_key.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 CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_H_
 #define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 11 matching lines @@
 class CONTENT_EXPORT IndexedDBKey {
  public:
   typedef std::vector<IndexedDBKey> KeyArray;
 
   IndexedDBKey();  // Defaults to WebKit::WebIDBKeyTypeInvalid.
   IndexedDBKey(WebKit::WebIDBKeyType);  // must be Null or Invalid
   explicit IndexedDBKey(const KeyArray& array);
   explicit IndexedDBKey(const string16& str);
   IndexedDBKey(double number,
                WebKit::WebIDBKeyType type);  // must be date or number
-  explicit IndexedDBKey(const WebKit::WebIDBKey& key);
   ~IndexedDBKey();
 
   bool IsValid() const;
 
   int Compare(const IndexedDBKey& other) const;
   bool IsLessThan(const IndexedDBKey& other) const;
   bool IsEqual(const IndexedDBKey& other) const;
 
   WebKit::WebIDBKeyType type() const { return type_; }
   const std::vector<IndexedDBKey>& array() const { return array_; }
   const string16& string() const { return string_; }
   double date() const { return date_; }
   double number() const { return number_; }
 
-  operator WebKit::WebIDBKey() const;
   size_t size_estimate() const { return size_estimate_; }
 
  private:
   WebKit::WebIDBKeyType type_;
   std::vector<IndexedDBKey> array_;
   string16 string_;
   double date_;
   double number_;
 
   size_t size_estimate_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_H_