| Index: media/blink/websourcebuffer_impl.cc | 
| diff --git a/media/blink/websourcebuffer_impl.cc b/media/blink/websourcebuffer_impl.cc | 
| index 3491378f2d9f988c6ade4735638ef47b33fcacef..0e387785ae1db4d0bb3a64b54d7dac0d3b1100fc 100644 | 
| --- a/media/blink/websourcebuffer_impl.cc | 
| +++ b/media/blink/websourcebuffer_impl.cc | 
| @@ -4,19 +4,19 @@ | 
|  | 
| #include "media/blink/websourcebuffer_impl.h" | 
|  | 
| +#include <cmath> | 
| #include <limits> | 
|  | 
| #include "base/bind.h" | 
| #include "base/callback.h" | 
| #include "base/callback_helpers.h" | 
| -#include "base/float_util.h" | 
| #include "media/filters/chunk_demuxer.h" | 
| #include "third_party/WebKit/public/platform/WebSourceBufferClient.h" | 
|  | 
| namespace media { | 
|  | 
| static base::TimeDelta DoubleToTimeDelta(double time) { | 
| -  DCHECK(!base::IsNaN(time)); | 
| +  DCHECK(!std::isnan(time)); | 
| DCHECK_NE(time, -std::numeric_limits<double>::infinity()); | 
|  | 
| if (time == std::numeric_limits<double>::infinity()) | 
|  |