Smooth scroll on Windows should respect OS level animation disabling

This patch checks for SPI_GETCLIENTAREAANIMATION setting on Windows and
disables smooth scroll accordingly.

This currently only works when the setting is changed and browser is restarted.

BUG=575222

Review URL: https://codereview.chromium.org/1566303004

Cr-Commit-Position: refs/heads/master@{#368804}
7 files changed