Call SetViewport when client is inite'ed
Call SetViewport when client is inite'ed

BUG=none
TEST=run chromoting host/client, verify it works

Review URL: http://codereview.chromium.org/3709004

git-svn-id: http://src.chromium.org/svn/trunk/src@62459 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b495137108000019f9800feb158442ba4305707e
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser