Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/platform/audio/MultiChannelResampler.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
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 #include "platform/audio/MultiChannelResampler.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "platform/audio/AudioBus.h"
 
 namespace blink {
 
 namespace {
 
 // ChannelProvider provides a single channel of audio data (one channel at a time) for each channel
 // of data provided to us in a multi-channel provider.
 
 class ChannelProvider final : public AudioSourceProvider {
@@ skipping 68 matching lines @@
         // However, if it calls provideInput() for the first channel, then it will call it for the remaining
         // channels, since they all buffer in the same way and are processing the same number of frames.
         m_kernels[channelIndex]->process(&channelProvider,
                                          destination->channel(channelIndex)->mutableData(),
                                          framesToProcess);
     }
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)