Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/modules/webdatabase/DatabaseManager.h

 /*
  * Copyright (C) 2012 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 37 matching lines @@
 
  public:
   static DatabaseManager& manager();
   static void terminateDatabaseThread();
 
   // These 2 methods are for DatabaseContext (un)registration, and should only
   // be called by the DatabaseContext constructor and destructor.
   void registerDatabaseContext(DatabaseContext*);
   void unregisterDatabaseContext(DatabaseContext*);
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   void didConstructDatabaseContext();
   void didDestructDatabaseContext();
 #else
   void didConstructDatabaseContext() {}
   void didDestructDatabaseContext() {}
 #endif
 
   static void throwExceptionForDatabaseError(DatabaseError,
                                              const String& errorMessage,
                                              ExceptionState&);
@@ skipping 33 matching lines @@
 
   static void logErrorMessage(ExecutionContext*, const String& message);
 
   // m_contextMap can have two or more entries even though we don't support
   // Web SQL on workers because single Blink process can have multiple main
   // contexts.
   typedef PersistentHeapHashMap<Member<ExecutionContext>,
                                 Member<DatabaseContext>>
       ContextMap;
   ContextMap m_contextMap;
-#if ENABLE(ASSERT)
-  int m_databaseContextRegisteredCount;
-  int m_databaseContextInstanceCount;
+#if DCHECK_IS_ON()
+  int m_databaseContextRegisteredCount = 0;
+  int m_databaseContextInstanceCount = 0;
 #endif
 };
 
 }  // namespace blink
 
 #endif  // DatabaseManager_h