Fix a ChromeFrame crash which occurs probably in the upgrade scenario where we fail to cocreate our active document object which was most likely unregistered. Added a check to bail here.
Fix a ChromeFrame crash which occurs probably in the upgrade scenario where we fail to cocreate our
active document object which was most likely unregistered. Added a check to bail here.

Fixes bug http://code.google.com/p/chromium/issues/detail?id=40169

Bug=40169


Review URL: http://codereview.chromium.org/1564008

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@43456 0039d316-1c4b-4281-b951-d872f2087c98

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