Web SQL: Remove more worker-related code.

Source/modules/webdatabase/DatabaseContext.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2011 Google, 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 116 matching lines @@
 // because the database closing process may still make use of this context.
 // It is not safe to just delete the context here.
 void DatabaseContext::contextDestroyed()
 {
     RefPtrWillBeRawPtr<DatabaseContext> protector(this);
     stopDatabases();
     DatabaseManager::manager().unregisterDatabaseContext(this);
     ActiveDOMObject::contextDestroyed();
 }
 
-// stop() is from stopActiveDOMObjects() which indicates that the owner LocalFrame
-// or WorkerThread is shutting down. Initiate the orderly shutdown by stopping
-// the associated databases.
+// stop() is from stopActiveDOMObjects() which indicates that the owner
+// LocalFrame is shutting down. Initiate the orderly shutdown by stopping the
+// associated databases.
 void DatabaseContext::stop()
 {
     stopDatabases();
 }
 
 DatabaseContext* DatabaseContext::backend()
 {
     return this;
 }
 
@@ skipping 30 matching lines @@
     if (m_databaseThread && !m_hasRequestedTermination) {
         TaskSynchronizer sync;
         m_databaseThread->requestTermination(&sync);
         m_hasRequestedTermination = true;
         sync.waitForTaskCompletion();
     }
 }
 
 bool DatabaseContext::allowDatabaseAccess() const
 {
-    if (executionContext()->isDocument())
-        return toDocument(executionContext())->isActive();
-    ASSERT(executionContext()->isWorkerGlobalScope());
-    // allowDatabaseAccess is not yet implemented for workers.
-    return true;
+    return toDocument(executionContext())->isActive();
 }
 
 SecurityOrigin* DatabaseContext::securityOrigin() const
 {
     return executionContext()->securityOrigin();
 }
 
 bool DatabaseContext::isContextThread() const
 {
     return executionContext()->isContextThread();
 }
 
 } // namespace blink