Add a geometry command line option When mtplot was launched, it always occupied the whole screen. This patch provides a geometry command line option to modify the window size and the window offset. BUG=chromium-os:33669 TEST=Type the following command on a chrome machine, and see its window size is smaller than the screen size. $ mtplot -d :0 -g 600x400+100+60 Change-Id: I4c3bfc23ad561199c19bb68c4a65328eb3b3db48 Reviewed-on: https://gerrit.chromium.org/gerrit/30846 Commit-Ready: Joseph Shyh-In Hwang <[email protected]> Reviewed-by: Joseph Shyh-In Hwang <[email protected]> Tested-by: Joseph Shyh-In Hwang <[email protected]>