Remove the WEB_AUDIO compile time flag

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

 /*
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 #include "platform/audio/AudioChannel.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "platform/audio/VectorMath.h"
 #include "wtf/OwnPtr.h"
 #include <algorithm>
 #include <math.h>
 
 namespace blink {
 
 using namespace VectorMath;
 
 void AudioChannel::resizeSmaller(size_t newLength)
@@ skipping 78 matching lines @@
 
     float max = 0;
 
     vmaxmgv(data(), 1, &max, length());
 
     return max;
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)