Rename TextfieldViewsModel to TextfieldModel.

Simple rename, no behavior changes.

BUG=131660
TEST=No compile failures, no changes, no regressions.
R=oshima@chromium.org
TBR=sky@chromium.org

Review URL: https://codereview.chromium.org/129833005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244714 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244714
Disable failing bitmap tests on cros.

BUG=334097
TEST=manual

Review URL: https://codereview.chromium.org/130563006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244715 0039d316-1c4b-4281-b951-d872f2087c98
Changing UserPolicySigninService to inject SigninManager and UCPM.

This aids with testability, and is another step towards moving UPSS to the
policy component.

BUG=323599

Review URL: https://codereview.chromium.org/130693003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244716 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244716