Revert "Fix renderer assert after autofill"
Revert "Fix renderer assert after autofill"

This reverts commit https://src.chromium.org/viewvc/blink?view=rev&revision=158348

This broke tabbing between controls on www.ge.com

BUG=326911
TBR=Jiang@opera.com

Review URL: https://codereview.chromium.org/113093005

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@163741 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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