GitLab

It's decided that it's unnecessary to ask user to confirm profile deletion if he chooses to remove other
data while disconnecting sync because the confirmation dialog can get lost sometimes and user's data is left behind.

BUG=395441
NOTRY=true

Review URL: https://codereview.chromium.org/426123003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287802 0039d316-1c4b-4281-b951-d872f2087c98