Convert ASSERT(foo) to DCHECK(foo) in platform/audio

third_party/WebKit/Source/platform/audio/ffmpeg/FFTFrameFFMPEG.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 137 matching lines @@
     c[baseComplexIndex + 1] = imag[i];
   }
   return const_cast<float*>(m_complexData.data());
 }
 
 RDFTContext* FFTFrame::contextForSize(unsigned fftSize, int trans) {
   // FIXME: This is non-optimal. Ideally, we'd like to share the contexts for
   // FFTFrames of the same size.  But FFmpeg's RDFT uses a scratch buffer
   // inside the context and so they are not thread-safe.  We could improve this
   // by sharing the FFTFrames on a per-thread basis.
-  ASSERT(fftSize);
+  DCHECK(fftSize);
   int pow2size = static_cast<int>(log2(fftSize));
   ASSERT(pow2size < kMaxFFTPow2Size);
 
   RDFTContext* context = av_rdft_init(pow2size, (RDFTransformType)trans);
   return context;
 }
 
 }  // namespace blink
 
 #endif  // USE(WEBAUDIO_FFMPEG)