GitLab

* Boot time animation decreased from 2s to 1s (for both OOBE / normal boot).
* WebUI is initialized in hidden state in parallel with wallpaper animation.
* Using EASE_OUT instead of LINEAR for boot animation.

BUG=141150

Review URL: https://chromiumcodereview.appspot.com/10824203

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150535 0039d316-1c4b-4281-b951-d872f2087c98