Revert the fix for 538784.

content/browser/loader/cross_site_resource_handler_browsertest.cc

Index: content/browser/loader/cross_site_resource_handler_browsertest.cc
diff --git a/content/browser/loader/cross_site_resource_handler_browsertest.cc b/content/browser/loader/cross_site_resource_handler_browsertest.cc
index 4d66c1a9812275603c130aec7420c5b0d091de3a..ba0f3cc307e6e65ac6a61cf8a5964c7565dc03e0 100644
--- a/content/browser/loader/cross_site_resource_handler_browsertest.cc
+++ b/content/browser/loader/cross_site_resource_handler_browsertest.cc
@@ -239,8 +239,10 @@ void SimulateMaliciousFrameDetachOnUIThread(int render_process_id,
 
 // Regression test for https://crbug.com/538784 -- ensures that one can't
 // sidestep CrossSiteResourceHandler by detaching a frame mid-request.
+//
+// TODO(nick): Disabled until we re-land the fix for https://crbug.com/538784.
 IN_PROC_BROWSER_TEST_F(CrossSiteResourceHandlerTest,
-                       NoDeliveryToDetachedFrame) {
+                       DISABLED_NoDeliveryToDetachedFrame) {
   GURL attacker_page = embedded_test_server()->GetURL(
       "evil.com", "/cross_site_iframe_factory.html?evil(evil)");
   EXPECT_TRUE(NavigateToURL(shell(), attacker_page));