Disable load event check on PrerenderPrint.

Causing problems with a pending change in Blink.

BUG=367271

Review URL: https://codereview.chromium.org/250953005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@266621 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/prerender/prerender_browsertest.cc

@@ -2844,6 +2844,7 @@ IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderSSLErrorIframe) {
 
 // Checks that we cancel correctly when window.print() is called.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderPrint) {
+  DisableLoadEventCheck();
   PrerenderTestURL("files/prerender/prerender_print.html",
                    FINAL_STATUS_WINDOW_PRINT,
                    0);