Changes in 20210215093120

Built from ffed7ebd405ac9b6b0d7bf862190a63019ecb9f1

..index..
Bug 1673637 R[Core:CSS Parsing and Computation]Intermittent css-valuesandunits/unit-vh-vw-overflow-auto.html == css-valuesandunits/unit-vh-vw-overflow-auto-ref.html | image comparison, max difference: 1, number of differing pixels: 29
Bug 1652192 R[Core:Disability Access APIs]Intermittent accessible/tests/browser/states/browser_test_visibility.js | Test timed out -
Bug 1613566 R[Core:Layout]the root scrollbar thumb dragging is somewhat broken in fission
Bug 1690474 R[Remote Protocol:CDP]Move CDP specific code to /remote/cdp
Bug 1678618 A[Toolkit:Places]Evaluate merging onDeleteURI and onDeleteVisits
Bug 1692349 R[WebExtensions:General]Intermittent browser/components/extensions/test/xpcshell/test_ext_menu_caller.js | test_create_menu_ext_error - [test_create_menu_ext_error : 53] Frame function name - null == "background/<"
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Changes to 6 bugs - 4 fixed.