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The original code mistakenly assumed that no filter can create visual
effects from nothing, but feImage is one of the exceptions.

Change-Id: Icc9fc0717522a0ea19da29143dd35b66663f1922
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2250708Reviewed-by: Philip Rogers <pdr@chromium.org>
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#780038}