Make testers happy.
Make testers happy.

Only show linux splash page for new windows.

May this be the end of this sad saga.

TEST=if chrome is already running, `./out/Debug/chrome test.html` doesn't open splash page
BUG=http://crbug.com/16893

Review URL: http://codereview.chromium.org/149780

git-svn-id: http://src.chromium.org/svn/trunk/src@20925 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: a7a6f7540859a1bb8bdfd66ad1e35a8c0f936c8a
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