Edwin Flores 2dcc290033 Bug 918135 - More tests for MP3FrameParser r=cpearce ...

This patch introduces two more MP3 test cases to exercise MP3FrameParser:
* vbr-head.mp3: This file contains a Xing header which gives an exact duration
    of 10 seconds. However, it only contains 4 MP3 frames total for a real
    duration of around 1 second. It is expected that we read the Xing header
    and report 10 seconds.
* huge-id3.mp3: This file contains more than 130KB of ID3 tags. When we search
    for MP3 frames, we give up after X KB of non-MP3 data. ID3 tags should not
    count towards the non-MP3 count, since they can be very large. This test
    case makes sure the skipping of ID3 tags works correctly.

2013-12-03 10:25:28 +13:00

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