GitLab

Use the new BubbleDelegateView::set_anchor_insets() instead.
Remove redundant DCHECK, fix indent, revise comments.

BUG=none
TEST=No noticable changes (placement or otherwise).

Review URL: https://chromiumcodereview.appspot.com/10830366

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152375 0039d316-1c4b-4281-b951-d872f2087c98