Allow createBuffer to support rates from 3-192 kHz.

Source/modules/webaudio/AudioBuffer.cpp

 /*
  * Copyright (C) 2010 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 24 matching lines @@
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/AudioFileReader.h"
 #include "modules/webaudio/AudioContext.h"
 
 namespace WebCore {
 
 float AudioBuffer::minAllowedSampleRate()
 {
-    return 22050;
+    // crbug.com/344375
+    return 3000;
 }
 
 float AudioBuffer::maxAllowedSampleRate()
 {
-    return 96000;
+    // Windows can support up to this rate.
+    return 192000;
 }
 
 PassRefPtr<AudioBuffer> AudioBuffer::create(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)
 {
     if (sampleRate < minAllowedSampleRate() || sampleRate > maxAllowedSampleRate() || numberOfChannels > AudioContext::maxNumberOfChannels() || !numberOfFrames)
         return nullptr;
 
     RefPtr<AudioBuffer> buffer = adoptRef(new AudioBuffer(numberOfChannels, numberOfFrames, sampleRate));
 
     if (!buffer->createdSuccessfully(numberOfChannels))
@@ skipping 84 matching lines @@
 {
     for (unsigned i = 0; i < m_channels.size(); ++i) {
         if (getChannelData(i))
             getChannelData(i)->zeroRange(0, length());
     }
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)