Bugzilla

### Beta/Release Uplift Approval Request
* **Feature/Bug causing the regression**: Bug 1452536
* **User impact if declined**: User won't be able to activate docuement to allow autoplay by pressing `enter` key.
* **Is this code covered by automated tests?**: Yes
* **Has the fix been verified in Nightly?**: No
* **Needs manual test from QE?**: Yes
* **If yes, steps to reproduce**: 1. goto https://alastor0325.github.io/htmltests/autoplay_tests/autoplay_test2.html
2. press `enter` key
3. video should start playing
* **List of other uplifts needed**: none
* **Risk to taking this patch**: Low
* **Why is the change risky/not risky? (and alternatives if risky)**: These patches doesn't introduce any other behavioural changes, we just extend our support key list in order to let `enter` key activate the document. In addition, we also have an automation test for this issue.
* **String changes made/needed**: none

### Beta/Release Uplift Approval Request
* **Feature/Bug causing the regression**: Bug 1452536
* **User impact if declined**: User won't be able to activate docuement to allow autoplay by pressing `enter` key.
* **Is this code covered by automated tests?**: Yes
* **Has the fix been verified in Nightly?**: No
* **Needs manual test from QE?**: Yes
* **If yes, steps to reproduce**: 1. goto https://alastor0325.github.io/htmltests/autoplay_tests/autoplay_test2.html
2. press `enter` key
3. video should start playing
* **List of other uplifts needed**: all patches in this bug
* **Risk to taking this patch**: Low
* **Why is the change risky/not risky? (and alternatives if risky)**: These patches doesn't introduce any other behavioural changes, we just extend our support key list in order to let `enter` key activate the document. In addition, we also have an automation test for this issue.
* **String changes made/needed**: none

### Beta/Release Uplift Approval Request
* **Feature/Bug causing the regression**: Bug 1452536
* **User impact if declined**: User won't be able to activate docuement to allow autoplay by pressing `enter` key.
* **Is this code covered by automated tests?**: Yes
* **Has the fix been verified in Nightly?**: No
* **Needs manual test from QE?**: Yes
* **If yes, steps to reproduce**: 
1. goto https://alastor0325.github.io/htmltests/autoplay_tests/autoplay_test2.html
2. press `enter` key
3. video should start playing
* **List of other uplifts needed**: all patches in this bug
* **Risk to taking this patch**: Low
* **Why is the change risky/not risky? (and alternatives if risky)**: These patches doesn't introduce any other behavioural changes, we just extend our support key list in order to let `enter` key activate the document. In addition, we also have an automation test for this issue.
* **String changes made/needed**: none