Remove all the indexeddb-related utility process code

content/browser/in_process_webkit/indexed_db_key_utility_client.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_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_KEY_UTILITY_CLIENT_H_
-#define CONTENT_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_KEY_UTILITY_CLIENT_H_
-
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "content/common/content_export.h"
-
-class KeyUtilityClientImpl;
-
-namespace base {
-template <typename T>
-struct DefaultLazyInstanceTraits;
-}  // namespace base
-
-namespace content {
-class IndexedDBKey;
-class IndexedDBKeyPath;
-class SerializedScriptValue;
-}
-
-// Class for obtaining IndexedDBKeys from the SerializedScriptValues given
-// an IDBKeyPath. This class is a thin singleton wrapper around the
-// KeyUtilityClientImpl, which does the real work.
-class IndexedDBKeyUtilityClient {
- public:
-  // Synchronously obtain the |keys| from |values| for the given |key_path|.
-  static void CreateIDBKeysFromSerializedValuesAndKeyPath(
-      const std::vector<content::SerializedScriptValue>& values,
-      const content::IndexedDBKeyPath& key_path,
-      std::vector<content::IndexedDBKey>* keys);
-
-  // Synchronously inject |key| into |value| using |key_path|. Returns the new
-  // value.
-  static content::SerializedScriptValue InjectIDBKeyIntoSerializedValue(
-      const content::IndexedDBKey& key,
-      const content::SerializedScriptValue& value,
-      const content::IndexedDBKeyPath& key_path);
-
-  // Shut down the underlying implementation. Must be called on the IO thread.
-  static void Shutdown();
-
- private:
-  friend struct base::DefaultLazyInstanceTraits<IndexedDBKeyUtilityClient>;
-  IndexedDBKeyUtilityClient();
-  ~IndexedDBKeyUtilityClient();
-
-  bool is_shutdown_;
-
-  // The real client; laziliy instantiated.
-  scoped_refptr<KeyUtilityClientImpl> impl_;
-};
-
-#endif  // CONTENT_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_KEY_UTILITY_CLIENT_H_