GitLab

This CL moves the method openAccountPickerBottomSheet() from
SigninUtils to SigninBridge to facilitate modularization.

Bug: 1165772
Change-Id: Ifc47512cdb0c8b680e16a4fedd49c010a25a7359
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2631491
Commit-Queue: Alice Wang <aliceywang@chromium.org>
Reviewed-by: Marc Treib <treib@chromium.org>
Reviewed-by: Tanmoy Mollik <triploblastic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845149}