Set the job name for the print job on the Mac.

BUG=http://crbug.com/29188
TEST=as in bug

Review URL: http://codereview.chromium.org/1997016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@47056 0039d316-1c4b-4281-b951-d872f2087c98
  virtual HRESULT WINAPI HandleMessage(HWND dialog,
                                       UINT message,
                                       WPARAM wparam,
                                       LPARAM lparam,
                                       LRESULT* result) {
    if (!owner_.dialog_box_) {
      owner_.dialog_box_ = GetAncestor(dialog, GA_ROOT);
      EnableWindow(owner_hwnd_, TRUE);
    }
    return S_FALSE;
  }

  virtual HRESULT WINAPI HandleMessage(HWND dialog,
                                       UINT message,
                                       WPARAM wparam,
                                       LPARAM lparam,
                                       LRESULT* result) {
    if (!owner_.dialog_box_) {
      owner_.dialog_box_ = GetAncestor(dialog, GA_ROOT);
      EnableWindow(owner_hwnd_, TRUE);
    }
    return S_FALSE;
  }
