Clean up windows printing workflow.

BUG=none
TEST=printing works after code change.

Review URL: http://codereview.chromium.org/6374004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71960 0039d316-1c4b-4281-b951-d872f2087c98
PrintWebViewHelper::PrintWebViewHelper(RenderView* render_view)
    : render_view_(render_view),
      print_web_view_(NULL),
      user_cancelled_scripted_print_count_(0),
      is_preview_(false) {}

PrintWebViewHelper::PrintWebViewHelper(RenderView* render_view)
    : render_view_(render_view),
      print_web_view_(NULL),
      user_cancelled_scripted_print_count_(0),
      is_preview_(false) {}
