App windows on ChromeOS cannot be sized to their maximum height

CustomFrameViewAsh::GetMaximumSize() should add the height of the
title bar, if a maximum size constraint is specified.

BUG=349229
TEST=ash_unittests (CustomFrameViewAshTest.*)

Review URL: https://codereview.chromium.org/183793011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255884 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255884
remove support for InputMethodOptions_Open_* which hasn't been used for a while and is now removed.

R=asvitkine@chromium.org
BUG=287730

Review URL: https://codereview.chromium.org/179873004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255885 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255885