Enable JumpList by default on Windows 7.

This change enables our custom JumpList by default, i.e. enables our custom JumpList when Chromium is launched without a "--disable-custom-jumplist" option.

BUG=8037
TEST=Right-click the taskbar icon of Chromium on Windows 7.
Review URL: http://codereview.chromium.org/159398

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@22375 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed