Disabled flaky DeviceInertialSensorBrowserTest.MotionTest.

TBR=hans@chromium.org
BUG=301572

Review URL: https://codereview.chromium.org/25114005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225966 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225966
Files.app: Remove the border of chrome-menu.

Originally chrome-menu have the 1px border and it is overrapped with the the
menu item having the background color by selecting.
This CL removes the border from the chrome-menu and autocomplete-list.

BUG=252855
TEST=manually

Review URL: https://codereview.chromium.org/25184005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225967 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225967