Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/modules/webdatabase/sqlite/SQLiteStatement.h

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 59 matching lines @@
   String getColumnName(int col);
   SQLValue getColumnValue(int col);
   String getColumnText(int col);
   int getColumnInt(int col);
   int64_t getColumnInt64(int col);
 
  private:
   SQLiteDatabase& m_database;
   String m_query;
   sqlite3_stmt* m_statement;
-#if ENABLE(ASSERT)
-  bool m_isPrepared;
+#if DCHECK_IS_ON()
+  bool m_isPrepared = false;
 #endif
 };
 
 }  // namespace blink
 
 #endif  // SQLiteStatement_h