Tests for cross-origin object behavior. v2
Pull out document.domain tests into a separate window. v1
Addressed Ms2ger's review comments.
Update pointerevent_pointerenter_nohover-manual.html
Update pointerevent_pointerout_after_pointerup_nohover.html
Update pointerevent_pointerout_after_pointerup_nohover.html

Added attribute checking.
Update pointerevent_pointerout_after_pointercancel_touch.html

Added attribute checking.
Update pointerevent_pointerout_after_pointercancel_touch.html

Clean up.
Create pointerevent_pointerleave_after_pointercancel_touch.html
Create pointerevent_pointerleave_after_pointerup_nohover.html
Update pointerevent_pointerleave_after_pointercancel_touch.html

Replace assert_true(false,...) with assert_unreached(...).
Update pointerevent_pointerleave_after_pointerup_nohover.html

Replace assert_true(false,...) with assert_unreached(...).
Update pointerevent_pointerleave_after_pointercancel_touch.html
Update pointerevent_pointerout_after_pointerup_nohover.html
Update pointerevent_pointerout_after_pointercancel_touch.html
Update pointerevent_pointerleave_after_pointerup_nohover.html
Update pointerevent_pointerleave_after_pointercancel_touch.html
Update pointerevent_pointerleave_after_pointerup_nohover.html

Fixed Indentation.
Update pointerevent_pointerleave_after_pointercancel_touch.html

Make body scrollable.
this fixes work of the checkDirection function in Firefox