GitLab

Remove APIs that no longer are called.
Move APIs that are called by blink to be directly on WebViewImpl if
possible.

BUG=1097816

Change-Id: Ibab11949b7221774657acde3542590bb3b834294
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2441964
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Reviewed-by: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813292}