Simplify arguments to logical[Left,Right]OffsetForPositioningFloat

|applyTextIndent=false| is always passed to
logical[Left,Right]OffsetForPositioningFloat(). Might as well remove
the parameter and pass |false| where it's needed. No functional change
expected.

Review URL: https://codereview.chromium.org/1557373002

Cr-Commit-Position: refs/heads/master@{#367792}
2 files changed