Avoid large inlined automatic methods in IndexedDB code.

content/browser/indexed_db/indexed_db_blob_info.h

 // Copyright 2014 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_BROWSER_INDEXED_DB_INDEXED_DB_BLOB_INFO_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BLOB_INFO_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 15 matching lines @@
   IndexedDBBlobInfo(const base::string16& type, int64 size, int64 key);
   // These two are used for Files.
   IndexedDBBlobInfo(const std::string& uuid,
                     const base::FilePath& file_path,
                     const base::string16& file_name,
                     const base::string16& type);
   IndexedDBBlobInfo(int64 key,
                     const base::string16& type,
                     const base::string16& file_name);
 
+  IndexedDBBlobInfo(const IndexedDBBlobInfo& other);
   ~IndexedDBBlobInfo();
+  IndexedDBBlobInfo& operator=(const IndexedDBBlobInfo& other);
 
   bool is_file() const { return is_file_; }
   const std::string& uuid() const { return uuid_; }
   const base::string16& type() const { return type_; }
   int64 size() const { return size_; }
   const base::string16& file_name() const { return file_name_; }
   int64 key() const { return key_; }
   const base::FilePath& file_path() const { return file_path_; }
   const base::Time& last_modified() const { return last_modified_; }
   const base::Closure& mark_used_callback() const {
@@ skipping 20 matching lines @@
 
   // Valid only when this comes out of the database.
   int64 key_;
   base::Closure mark_used_callback_;
   ReleaseCallback release_callback_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BLOB_INFO_H_