Make sure ShellIntegration::CommandLineArgsForLauncher respects the UserDataDir policy.

If this is not done shortcuts created will not contain the right path and will
cause faulty behavior on Windows.

BUG=173237
TEST=As described in the bug.

Review URL: https://codereview.chromium.org/12277002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@183546 0039d316-1c4b-4281-b951-d872f2087c98
7 files changed