Handle near-colinear case in WSOLAS QuadraticInterpolation better.

media/filters/wsola_internals.h

Index: media/filters/wsola_internals.h
diff --git a/media/filters/wsola_internals.h b/media/filters/wsola_internals.h
index 55fff04d30bc463b3abed791e6d3a431bfdb09cc..cdaa0c83081dce3aa345b9cc4c94578ea08ba5be 100644
--- a/media/filters/wsola_internals.h
+++ b/media/filters/wsola_internals.h
@@ -48,9 +48,9 @@ MEDIA_EXPORT void MultiChannelMovingBlockEnergies(const AudioBus* input,
 //
 // It is not expected that this function is called with
 // y[0] == y[1] == y[2].
-MEDIA_EXPORT void CubicInterpolation(const float* y_values,
-                                     float* extremum,
-                                     float* extremum_value);
+MEDIA_EXPORT void QuadraticInterpolation(const float* y_values,
+                                         float* extremum,
+                                         float* extremum_value);
 
 // Search a subset of all candid blocks. The search is performed every
 // |decimation| frames. This reduces complexity by a factor of about