CONSOLE MESSAGE: line 1: SecurityError: Blocked a frame with origin "null" from accessing a cross-origin frame. Protocols, domains, and ports must match.
This tests that a data: URL loaded in an iframe inside another data: URL loaded iframe doesn't have access to the main frame.


PASS: Cross frame access from a data: URL inside another data: URL was denied.

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Frame: 'aFrame'
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Inner iframe.


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Frame: '<!--frame1-->'
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Inner-inner iframe.