Refactoring: Moe core/html/InputTypeUI.* to core/html/forms/InputTypeView.*

Rename the class in a following patch.
We're going to move all of *InputType.* to core/html/forms/.

BUG=274205
R=keishi@chromium.org

Review URL: https://codereview.chromium.org/23193004

git-svn-id: svn://svn.chromium.org/blink/trunk@156690 bbb929c8-8fbe-4397-9dbb-9b2b20218538