Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/modules/webaudio/DelayDSPKernel.cpp

 /*
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 #include "modules/webaudio/DelayDSPKernel.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "platform/audio/AudioUtilities.h"
 #include "wtf/MathExtras.h"
 #include <algorithm>
 
 namespace blink {
 
 const float SmoothingTimeConstant = 0.020f; // 20ms
 
 DelayDSPKernel::DelayDSPKernel(DelayProcessor* processor)
     : AudioDelayDSPKernel(processor, AudioHandler::ProcessingSizeInFrames)
@@ skipping 25 matching lines @@
     delayProcessor()->delayTime().calculateSampleAccurateValues(delayTimes, framesToProcess);
 }
 
 double DelayDSPKernel::delayTime(float)
 {
     return delayProcessor()->delayTime().finalValue();
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)