GitLab

If a script inserts text into an input field without a user gesture,
then do not show the autofill popup.

TEST=AutofillRendererTest.IgnoreNonUserGestureTextFieldChanges
BUG=353001

Review URL: https://codereview.chromium.org/1026493002

Cr-Commit-Position: refs/heads/master@{#327204}