Changes in 20201026092834

Built from b1a74943bc51bd3e62ea52242ec5e403ea3760bb

..index..
Bug 1507189 R[Core:Layout]Replace nsIPresShell::ScrollDirection with an enumset over layers::ScrollDirection
Bug 1669007 R[Core:Layout]Intermittent layout/generic/test/test_scroll_position_restore.html | undefined assertion name - got 54560, expected 348260
Bug 1672786 R[Core:Layout: Form Controls]Delimiters inside <input type=date> should not be selectable (or the whole text should be selectable)
Bug 1641287 R[Firefox:Address Bar]Malicious website can hijack Google search initiated from search bar
Bug 727668 R[Firefox:New Tab Page]Show bookmarks from the bookmarks toolbar in the new tab page
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Changes to 5 bugs - 5 fixed.
1 bugs are not included due to being restricted