Fix failing RendererInitiatedCrossSiteNavigation test.

content/browser/browser_side_navigation_browsertest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/web_contents/web_contents_impl.h"
@@ skipping 142 matching lines @@
         "window.domAutomationController.send(clickCrossSiteLink());",
         &success));
     EXPECT_TRUE(success);
     EXPECT_TRUE(WaitForLoadStop(shell()->web_contents()));
     EXPECT_EQ(url, observer.last_navigation_url());
     EXPECT_TRUE(observer.last_navigation_succeeded());
   }
 
   // The RenderFrameHost should not have changed unless site-per-process is
   // enabled.
-  if (SiteIsolationPolicy::AreCrossProcessFramesPossible()) {
+  if (AreAllSitesIsolatedForTesting()) {
     EXPECT_NE(initial_rfh,
               static_cast<WebContentsImpl*>(shell()->web_contents())
                   ->GetFrameTree()
                   ->root()
                   ->current_frame_host());
   } else {
     EXPECT_EQ(initial_rfh,
               static_cast<WebContentsImpl*>(shell()->web_contents())
                   ->GetFrameTree()
                   ->root()
@@ skipping 48 matching lines @@
             base::UTF16ToASCII(shell()->web_contents()->GetTitle()));
   EXPECT_EQ(post_url, shell()->web_contents()->GetLastCommittedURL());
   EXPECT_TRUE(shell()
                   ->web_contents()
                   ->GetController()
                   .GetActiveEntry()
                   ->GetHasPostData());
 }
 
 }  // namespace content