Avoid large inlined automatic methods in IndexedDB code.

content/common/indexed_db/indexed_db_key_range.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_RANGE_H_
 #define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_RANGE_H_
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 #include "content/common/indexed_db/indexed_db_key.h"
 
 namespace content {
 
 class CONTENT_EXPORT IndexedDBKeyRange {
  public:
   IndexedDBKeyRange();
   explicit IndexedDBKeyRange(const IndexedDBKey& key);
   IndexedDBKeyRange(const IndexedDBKey& lower,
                     const IndexedDBKey& upper,
                     bool lower_open,
                     bool upper_open);
+  IndexedDBKeyRange(const IndexedDBKeyRange& other);
   ~IndexedDBKeyRange();
+  IndexedDBKeyRange& operator=(const IndexedDBKeyRange& other);
 
   const IndexedDBKey& lower() const { return lower_; }
   const IndexedDBKey& upper() const { return upper_; }
   bool lower_open() const { return lower_open_; }
   bool upper_open() const { return upper_open_; }
 
   bool IsOnlyKey() const;
 
  private:
   IndexedDBKey lower_;
   IndexedDBKey upper_;
   bool lower_open_;
   bool upper_open_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_RANGE_H_