Remove worker support of Web SQL Database.

Source/modules/webdatabase/SQLTransactionBackend.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 466 matching lines @@
 void SQLTransactionBackend::enqueueStatementBackend(PassRefPtrWillBeRawPtr<SQLStatementBackend> statementBackend)
 {
     MutexLocker locker(m_statementMutex);
     m_statementQueue.append(statementBackend);
 }
 
 void SQLTransactionBackend::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::AcquireLock
             || m_nextState == SQLTransactionState::OpenTransactionAndPreflight
             || m_nextState == SQLTransactionState::RunStatements
             || m_nextState == SQLTransactionState::PostflightAndCommit
             || m_nextState == SQLTransactionState::CleanupAndTerminate
             || m_nextState == SQLTransactionState::CleanupAfterTransactionErrorCallback);
 
         WTF_LOG(StorageAPI, "State %s\n", nameForSQLTransactionState(m_nextState));
         return;
@@ skipping 329 matching lines @@
 }
 
 SQLTransactionState SQLTransactionBackend::sendToFrontendState()
 {
     ASSERT(m_nextState != SQLTransactionState::Idle);
     m_frontend->requestTransitToState(m_nextState);
     return SQLTransactionState::Idle;
 }
 
 } // namespace blink