Description: If the user selects the "..." option to bring up the additional options and then enters landscape mode the user is able to get stuck by scrolling down to the bottom of the page. If the user is not yet stuck it is possible to keep scrolling up and then back down. Repro Steps: 1) Update a Aries to 20150911153729 2) Launch Browser > Youtube > Any video 3) Select "..." located in the top right for additional options. 4) Put device into Landscape. 5) Scroll down to the bottom of the page. 6) Continue scrolling up and down to the bottom of page in order to get stuck. Actual: User is able to scroll to the bottom of the page, it is also able to get stuck on this screen until force closing or locking and unlocking. Expected: It is expected that the user will not be able to scroll down to the bottom of the youtube page while this menu is appearing. Environmental Variables: Device: Aries 2.5 Build ID: 20150911153729 Gaia: 758c75ee087ea3722213ea2c185cca1d952c8a29 Gecko: 7b1cfb1606ec447506bf7373b645b7a09f3aa238 Gonk: 2916e2368074b5383c80bf5a0fba3fc83ba310bd Version: 43.0a1 (2.5) Firmware Version: D5803_23.1.A.1.28_NCB.ftf User Agent: Mozilla/5.0 (Mobile; rv:43.0) Gecko/43.0 Firefox/43.0 Repro frequency: 5/5 See attached: Logcat & Video

This issue also occur on the Flame 2.5, 2.2, 2.1 and 2.0 Result: User is able to scroll past the popup window. Scrolling down to the bottom of the page can get the user stuck there as well. Environmental Variables: Device: Flame 2.5 Kk Fullflash (319mb) Build ID: 20150911103006 Gaia: 758c75ee087ea3722213ea2c185cca1d952c8a29 Gecko: 19f806034f67e8fc84b352db10f1a21ab982670f Gonk: c4779d6da0f85894b1f78f0351b43f2949e8decd Version: 43.0a1 (2.5) Firmware Version: v18D User Agent: Mozilla/5.0 (Mobile; rv:43.0) Gecko/43.0 Firefox/43.0 Environmental Variables: Device: Flame 2.2 Kk Fullflash (319mb) Build ID: 20150909183023 Gaia: 7a427e0f8aa6c185a9e22358006b97c19435ca4a Gecko: 0d9c46d01861 Gonk: bd9cb3af2a0354577a6903917bc826489050b40d Version: 37.0 (2.2) Firmware Version: v18D User Agent: Mozilla/5.0 (Mobile; rv:37.0) Gecko/37.0 Firefox/37.0 Environmental Variables: Device: Flame 2.1 Kk Fullflash (319mb) Build ID: 20150724001207 Gaia: 9dba58d18006e921546cec62c76074ce81e16518 Gecko: 41e10c6740be Gonk: bd9cb3af2a0354577a6903917bc826489050b40d Version: 34.0 (2.1) Firmware Version: v18D User Agent: Mozilla/5.0 (Mobile; rv:34.0) Gecko/34.0 Firefox/34.0 Environmental Variables: Device: Flame 2.0 Kk Fullflash (319mb) BuildID: 20150723000207 Gaia: b16ba05481e577bc644ed8966f587a70fe2148e6 Gecko: 2e6f1d4deff9 Gonk: bd9cb3af2a0354577a6903917bc826489050b40d Version: 32.0 (2.0) Firmware Version: v18D User Agent: Mozilla/5.0 (Mobile; rv:32.0) Gecko/32.0 Firefox/32.0

This is not a regression and it also occurs on the iPhone so not nominating to block on this. Alison, can you take a look at this please?

Add developer in CC list to aware this issue.

Contacts at Youtube?

Contacted Google.

This doesn't reproduce for me anymore.