Remove the WEB_AUDIO compile time flag

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/audio/StereoPanner.h"
-
-#if ENABLE(WEB_AUDIO)
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/AudioUtilities.h"
 #include "wtf/MathExtras.h"
 #include <algorithm>
 
 // Use a 50ms smoothing / de-zippering time-constant.
 const float SmoothingTimeConstant = 0.050f;
 
 namespace blink {
 
@@ skipping 146 matching lines @@
                 // left channel only.
                 *destinationL++ = static_cast<float>(inputL * gainL);
                 *destinationR++ = static_cast<float>(inputR + inputL * gainR);
             }
         }
     }
 }
 
 } // namespace blink
 
-#endif // ENABLE(WEB_AUDIO)