Tests that form submissions inside an iframe generate history entries.


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Frame: 'the-frame'
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This page is the target of a redirect.

PASS: History item count should be 2 and is.


============== Back Forward List ==============
        (file test):fast/history/form-submit-in-frame.html  **nav target**
            (file test):fast/history/resources/form-with-input-submit.html (in frame "the-frame")
curr->  (file test):fast/history/form-submit-in-frame.html
            (file test):fast/history/resources/redirect-target.html#2 (in frame "the-frame")  **nav target**
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