NEW51076
didClearWindowObject may be dispatched when window object is not cleared 
https://bugs.webkit.org/show_bug.cgi?id=51076
Summary didClearWindowObject may be dispatched when window object is not cleared
Jon Honeycutt
Reported 2010-12-14 17:06:23 PST
FrameLoader::receivedFirstData() calls DocumentWriter::begin(), which is responsible for clearing the window object before loading new content. If a frame is showing the initial empty document, and the URL we're transitioning to is in the same security origin, DocumentWriter::begin() will choose not to clear the window object. After DocumentWriter::begin() returns, FrameLoader::receivedFirstData() dispatches the didClearWindowObject callback - whether or not the window object was cleared.
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Add attachment proposed patch, testcase, etc.
Jon Honeycutt
Comment 1 2010-12-14 17:52:40 PST
<rdar://problem/8770335>
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