Remove worker support of Web SQL Database.

Source/modules/webdatabase/SQLTransaction.cpp

 /*
  * Copyright (C) 2007, 2008, 2013 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
@@ skipping 270 matching lines @@
         permissions |= DatabaseAuthorizer::ReadOnlyMask;
 
     OwnPtrWillBeRawPtr<SQLStatement> statement = SQLStatement::create(m_database.get(), callback, callbackError);
     m_backend->executeSQL(statement.release(), sqlStatement, arguments, permissions);
 }
 
 bool SQLTransaction::computeNextStateAndCleanupIfNeeded()
 {
     // Only honor the requested state transition if we're not supposed to be
     // cleaning up and shutting down:
-    if (m_database->opened() && !m_database->isInterrupted()) {
+    if (m_database->opened()) {
         setStateToRequestedState();
         ASSERT(m_nextState == SQLTransactionState::End
             || m_nextState == SQLTransactionState::DeliverTransactionCallback
             || m_nextState == SQLTransactionState::DeliverTransactionErrorCallback
             || m_nextState == SQLTransactionState::DeliverStatementCallback
             || m_nextState == SQLTransactionState::DeliverQuotaIncreaseCallback
             || m_nextState == SQLTransactionState::DeliverSuccessCallback);
 
         WTF_LOG(StorageAPI, "Callback %s\n", nameForSQLTransactionState(m_nextState));
         return false;
@@ skipping 12 matching lines @@
     m_successCallbackWrapper.clear();
     m_errorCallbackWrapper.clear();
 }
 
 PassOwnPtrWillBeRawPtr<SQLTransactionErrorCallback> SQLTransaction::releaseErrorCallback()
 {
     return m_errorCallbackWrapper.unwrap();
 }
 
 } // namespace blink