Send IndexedDB observations through IDBDatabaseCallbacks.

content/common/indexed_db/indexed_db_param_traits.h

Index: content/common/indexed_db/indexed_db_param_traits.h
diff --git a/content/common/indexed_db/indexed_db_param_traits.h b/content/common/indexed_db/indexed_db_param_traits.h
deleted file mode 100644
index f319071ee6d7bbc0d13c7fa905c96a0715626465..0000000000000000000000000000000000000000
--- a/content/common/indexed_db/indexed_db_param_traits.h
+++ /dev/null
@@ -1,45 +0,0 @@
-// 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_PARAM_TRAITS_H_
-#define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_PARAM_TRAITS_H_
-
-#include <string>
-
-#include "ipc/ipc_message.h"
-#include "ipc/ipc_param_traits.h"
-
-namespace content {
-class IndexedDBKey;
-class IndexedDBKeyPath;
-class IndexedDBKeyRange;
-}
-
-namespace IPC {
-
-template <>
-struct ParamTraits<content::IndexedDBKey> {
-  typedef content::IndexedDBKey param_type;
-  static void GetSize(base::PickleSizer* s, const param_type& p);
-  static void Write(base::Pickle* m, const param_type& p);
-  static bool Read(const base::Pickle* m,
-                   base::PickleIterator* iter,
-                   param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-template <>
-struct ParamTraits<content::IndexedDBKeyRange> {
-  typedef content::IndexedDBKeyRange param_type;
-  static void GetSize(base::PickleSizer* s, const param_type& p);
-  static void Write(base::Pickle* m, const param_type& p);
-  static bool Read(const base::Pickle* m,
-                   base::PickleIterator* iter,
-                   param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-}  // namespace IPC
-
-#endif  // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_PARAM_TRAITS_H_