Merge 299672 "Initialize |switch_profile_link_| in the constructor."

BUG=422482
TBR=sky@chromium.org

Review URL: https://codereview.chromium.org/639163003

Cr-Commit-Position: refs/heads/master@{#299672}
(cherry picked from commit d3319ba3dc0c86b3c64e1fd4b11f4429de52b8db)

Review URL: https://codereview.chromium.org/700133002

Cr-Commit-Position: refs/branch-heads/2125@{#601}
Cr-Branched-From: b68026d94bda36dd106a3d91a098719f952a9477-refs/heads/master@{#290040}
1 file changed