Some of the regression tests depend on our current synchronous form submission, which is not the same as other browsers.
Created attachment 29046 [details]
Comment on attachment 29046 [details]
> // Not dumping as text since the DumpRenderTree does not dump the text conetnt of child frames.
There is a typo here: "conetnt" should be "content". After runTest() there should probably be a blank line before subframeLoaded(), but I am not sure how strict we are on style in test files.
Other than that, r=me.