Set the correct style on the middle anonymous block in continuations
When we split an inline, ensure that the middle anonymous block gets the same
style as the anonymous blocks on either side - i.e. the style of the block parent.
BUG=
286660
Committed:
https://crrev.com/93aa8f022e5f79698d5e6ecd48f29eec8289f067
Cr-Commit-Position: refs/heads/master@{#359399}