HRTFDatabaseLoader is not an absolute condition to run audioContext

Source/modules/webaudio/OfflineAudioDestinationNode.cpp

 /*
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 78 matching lines @@
     }
 }
 
 void OfflineAudioDestinationNode::offlineRender()
 {
     ASSERT(!isMainThread());
     ASSERT(m_renderBus.get());
     if (!m_renderBus.get())
         return;
 
+    bool isAudioContextInitialized = context()->isInitialized();
+    ASSERT(isAudioContextInitialized);
+    if (!isAudioContextInitialized)
+        return;
+
     bool channelsMatch = m_renderBus->numberOfChannels() == m_renderTarget->numberOfChannels();
     ASSERT(channelsMatch);
     if (!channelsMatch)
         return;
 
     bool isRenderBusAllocated = m_renderBus->length() >= renderQuantumSize;
     ASSERT(isRenderBusAllocated);
     if (!isRenderBusAllocated)
         return;
 
-    // Synchronize with HRTFDatabaseLoader.
-    // The database must be loaded before we can proceed.
-    HRTFDatabaseLoader* loader = context()->hrtfDatabaseLoader();
-    ASSERT(loader);
-    if (!loader)
-        return;
-
-    loader->waitForLoaderThreadCompletion();
-
     // Break up the render target into smaller "render quantize" sized pieces.
     // Render until we're finished.
     size_t framesToProcess = m_renderTarget->length();
     unsigned numberOfChannels = m_renderTarget->numberOfChannels();
 
     unsigned n = 0;
     while (framesToProcess > 0) {
         // Render one render quantum.
         render(0, m_renderBus.get(), renderQuantumSize);
 
@@ skipping 25 matching lines @@
 }
 
 void OfflineAudioDestinationNode::notifyComplete()
 {
     context()->fireCompletionEvent();
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)