Remove the WEB_AUDIO compile time flag

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

 /*
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 #include "platform/audio/HRTFPanner.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/AudioUtilities.h"
 #include "platform/audio/HRTFDatabase.h"
 #include "wtf/MathExtras.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 // The value of 2 milliseconds is larger than the largest delay which exists in any HRTFKernel from the default HRTFDatabase (0.0136 seconds).
 // We ASSERT the delay values used in process() with this value.
@@ skipping 266 matching lines @@
 
 double HRTFPanner::latencyTime() const
 {
     // The latency of a FFTConvolver is also fftSize() / 2, and is in addition to its tailTime of the
     // same value.
     return (fftSize() / 2) / static_cast<double>(sampleRate());
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)