Remove PLATFORM(BLACKBERRY) support.

Source/WebCore/workers/Worker.cpp

 /*
  * Copyright (C) 2008, 2010 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 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 56 matching lines @@
     worker->suspendIfNeeded();
 
     KURL scriptURL = worker->resolveURL(url, ec);
     if (scriptURL.isEmpty())
         return 0;
 
     // The worker context does not exist while loading, so we must ensure that the worker object is not collected, nor are its event listeners.
     worker->setPendingActivity(worker.get());
 
     worker->m_scriptLoader = WorkerScriptLoader::create();
-#if PLATFORM(BLACKBERRY)
-    worker->m_scriptLoader->setTargetType(ResourceRequest::TargetIsWorker);
-#endif
     worker->m_scriptLoader->loadAsynchronously(context, scriptURL, DenyCrossOriginRequests, worker.get());
 
     return worker.release();
 }
 
 Worker::~Worker()
 {
     ASSERT(isMainThread());
     ASSERT(scriptExecutionContext()); // The context is protected by worker context proxy, so it cannot be destroyed while a Worker exists.
     m_contextProxy->workerObjectDestroyed();
@@ skipping 59 matching lines @@
         InspectorInstrumentation::scriptImported(scriptExecutionContext(), m_scriptLoader->identifier(), m_scriptLoader->script());
     }
     m_scriptLoader = nullptr;
 
     unsetPendingActivity(this);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WORKERS)