[iOS] Added link support for PopoverLabelViewController

This change adds possibility to setup link into PopoverLabelViewController.
Also it fixes issue with wrong size calculation when arrow was taken
into account. Popover with link is needed for Password Check feature.

Bug: 1075494
Change-Id: Ie79770f56aef98415fa4595b5922f54cc6160ef1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2282581
Commit-Queue: Viktor Semeniuk <vsemeniuk@google.com>
Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Olivier Robin <olivierrobin@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#787115}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 538551d9d9fad0819fdb26ba2f3782c23520076e
2 files changed