Web SQL: Remove more worker-related code.

Source/modules/webdatabase/DatabaseManager.cpp

 /*
  * 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 25 matching lines @@
 #include "modules/webdatabase/AbstractDatabaseServer.h"
 #include "modules/webdatabase/Database.h"
 #include "modules/webdatabase/DatabaseBackend.h"
 #include "modules/webdatabase/DatabaseBackendBase.h"
 #include "modules/webdatabase/DatabaseCallback.h"
 #include "modules/webdatabase/DatabaseClient.h"
 #include "modules/webdatabase/DatabaseContext.h"
 #include "modules/webdatabase/DatabaseServer.h"
 #include "modules/webdatabase/DatabaseTask.h"
 #include "platform/weborigin/SecurityOrigin.h"
+#include "wtf/MainThread.h"
 
 namespace blink {
 
 DatabaseManager& DatabaseManager::manager()
 {
     ASSERT(isMainThread());
     DEFINE_STATIC_LOCAL(DatabaseManager, dbManager, ());
     return dbManager;
 }
 
@@ skipping 167 matching lines @@
 {
     return m_server->fullPathForDatabase(origin, name, createIfDoesNotExist);
 }
 
 void DatabaseManager::logErrorMessage(ExecutionContext* context, const String& message)
 {
     context->addConsoleMessage(ConsoleMessage::create(StorageMessageSource, ErrorMessageLevel, message));
 }
 
 } // namespace blink