[Password Autofill] Move UI code to ChromePasswordManagerClient

This is part of the refactoring to make the password manager a layered
component.

BUG=340675,335043

Review URL: https://codereview.chromium.org/173113005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253158 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253158
Update nss_revision to 252643.

Includes the following CLs:

Update to NSS 3.15.5 and NSPR 4.10.3.
https://codereview.chromium.org/170823003

R=agl@chromium.org,rsleevi@chromium.org
BUG=345497
TEST=none

Review URL: https://codereview.chromium.org/175973003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253159 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253160 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253160