GitLab

This CL migrates AwViewMsg_SmoothScroll to LocalMainFrame
interface.

Bug: 1157126
Change-Id: I6f179fa63bb0effffb3518b4bf2ed731cd763cf3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2583591
Commit-Queue: Gyuyoung Kim <gyuyoung@igalia.com>
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836411}