components: Remove 'ui' dependencies from json_schema and user_prefs targets.

BUG=302505
TEST=None
TBR=joi@chromium.org

Review URL: https://codereview.chromium.org/106553004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241047 0039d316-1c4b-4281-b951-d872f2087c98
Allow the mouse event to be received by the pop up menu on the system modal dialog on ash locked in screen.

BUG=328593

This bug is blocking crbug.com/328449.

R=sky@chromium.org

Review URL: https://codereview.chromium.org/115633004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241048 0039d316-1c4b-4281-b951-d872f2087c98
Ensure devmode extensions are always visible when highlighted.

To do this we move them to the front of the browser actions container and enlarge the container if there is not enough room to show them all.

BUG=328441
R=asargent@chromium.org, erg@chromium.org, sky@chromium.org

Review URL: https://codereview.chromium.org/114603006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241049 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241049