DEFECT DESCRIPTION: ->Couldn't play video streaming after shift from wifi to SIM card. REPRODUCING PROCEDURES: ->1.Insert sim card into phone, and set Data connection as enabled. ->2.Set wifi is enabled and wifi network signal is ok. ->3.Go to http://202.105.184.18:9000/stream/stream.html, and try to play a video streaming, counld play the video streaming normally. ->5.When video streaming is playing, make wifi network signal is very weak until wifi is disabled, the progress bar goes to the end suddenly, and the video steaming stop to play. ====>KO1 ->6.After the network shift to SIM card, click "Play" button, promt message "Video playback aborted due to a network error". ====KO2 EXPECTED BEHAVIOUR: ->For KO1, the progress bar should not go to the end suddenly when the wifi network signal is disable. ->For KO2, video streaming should be able to continue to play after the network shift from wifi to SIM card automatically. And the message "Video playback aborted due to a network error" should not display.

涉及网络连接的处理，已提交mozilla帮忙分析。

This is same issue with Bug 1097440 which already communicated with partner fix in 2.2 not in 2.0M.

dear mozilla, ->For KO1, the progress bar should not go to the end suddenly when the wifi network signal is disable. it's not reasonable to jump to the end of the video when the network is bad.