[Webkit-unassigned] [Bug 77951] Chrome crashes when attempting to add cue to track element

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77951





--- Comment #8 from Arun Patole <arun.patole at motorola.com>  2012-02-10 11:46:00 PST ---
> We are splitting semantic hairs here, but "and set its text track list of cues to an empty list" it seems to me that 0 is a perfectly valid "empty list". The bug is that the current code tries to *use* the nil ("empty") list.

Hi Eric,
Sorry if i have not understood it correctly, but when I locally reproduced this crash, I found that it was crashing because of null pointer m_cues and not because of the pointer to an empty list. Then I referred spec and found that it should be initialized to an empty list when track is created so i initialized it with TextTrackCueList::create().
"if(m_cues)" checks were removed and asserts were added before it use just to make sure that its non-null and it is not accidently made null at any other place. 
If you still think its wrong I will abandon this patch.

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