Don't crash on splice frame failure with bad content.

media/base/audio_splicer.h

Index: media/base/audio_splicer.h
diff --git a/media/base/audio_splicer.h b/media/base/audio_splicer.h
index 389607ae2c2cc1046b6ba6ac79711a5b315907c5..0db5d08dd70b7c8e49b5bc0650b57f5d78edb51f 100644
--- a/media/base/audio_splicer.h
+++ b/media/base/audio_splicer.h
@@ -27,6 +27,12 @@ class MEDIA_EXPORT AudioSplicer {
   enum {
     // The number of ms to crossfade before trimming when buffers overlap.
     kCrossfadeDurationInMilliseconds = 5,
+
+    // Largest gap or overlap allowed between buffers.  Anything larger than
+    // this will trigger an error.  This is an arbitrary value, but the initial
+    // selection of 50ms roughly represents the duration of 2 compressed AAC or
+    // MP3 frames.
+    kMaxTimeDeltaInMilliseconds = 50,
   };
 
   // Resets the splicer state by clearing the output buffers queue and resetting