Fix unsafe typecast in interactive_ui_tests when the virtual keyboard is enabled.

BUG=247746
TEST=interactive_ui_tests: TextInput_TextInputStateChangedTest

Review URL: https://codereview.chromium.org/25705003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226820 0039d316-1c4b-4281-b951-d872f2087c98
Fix cast warnings for cast_unittest on win_x64

Fixed a compiler warning on win_x64 with size_t assigned to int.

R=justinlin@chromium.org

Review URL: https://codereview.chromium.org/25727008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226821 0039d316-1c4b-4281-b951-d872f2087c98
Load wallpaper for kiosk autolaunch warning screen.

BUG=275758
TEST=manually on device

Review URL: https://codereview.chromium.org/25724003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226822 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 226821
SVN changes up to revision 226822