Add a "Simplify Page" option to the print preview dialog

components/dom_distiller/core/url_utils.cc

Index: components/dom_distiller/core/url_utils.cc
diff --git a/components/dom_distiller/core/url_utils.cc b/components/dom_distiller/core/url_utils.cc
index cfe4fcb9a21398cec21c8f68c5cf8d9b13147cb7..5b972a3a3332d40ff7e9302f0cf06800c2724b3e 100644
--- a/components/dom_distiller/core/url_utils.cc
+++ b/components/dom_distiller/core/url_utils.cc
@@ -35,6 +35,12 @@ const GURL GetDistillerViewUrlFromUrl(const std::string& scheme,
   return net::AppendOrReplaceQueryParameter(url, kUrlKey, view_url.spec());
 }
 
+const GURL GetPrintPreviewDistillerViewUrlFromUrl(const std::string& scheme,
+                                                  const GURL& view_url) {
+  GURL url(scheme + "://" + base::GenerateGUID() + "/printing/");
+  return net::AppendOrReplaceQueryParameter(url, kUrlKey, view_url.spec());
+}
+
 const GURL GetOriginalUrlFromDistillerUrl(const GURL& url) {
   if (!dom_distiller::url_utils::IsDistilledPage(url))
     return url;