Show validation error bubbles anchored above comboboxes in the likely event a
user opens the menu downward.

BUG=306197
R=rouslan@chromium.org

Review URL: https://codereview.chromium.org/27570002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229369 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229369
Media Galleries: copyTo permission requires read permission.

Very few interesting applications can be written with only copyTo permission.

Review URL: https://codereview.chromium.org/27571004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229370 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229370