PlzNavigate: have renderer-initiated navigations be same-process

content/browser/browser_side_navigation_browsertest.cc

Index: content/browser/browser_side_navigation_browsertest.cc
diff --git a/content/browser/browser_side_navigation_browsertest.cc b/content/browser/browser_side_navigation_browsertest.cc
index c22dc7ef74c57a4863edfb9a667140469d1a6120..4bba0ee76dd9ff4a14b2d8efa812661ab8df9df6 100644
--- a/content/browser/browser_side_navigation_browsertest.cc
+++ b/content/browser/browser_side_navigation_browsertest.cc
@@ -154,8 +154,8 @@ IN_PROC_BROWSER_TEST_F(BrowserSideNavigationBrowserTest,
     EXPECT_TRUE(observer.last_navigation_succeeded());
   }
 
-  // The RenderFrameHost should have changed.
-  EXPECT_NE(initial_rfh, static_cast<WebContentsImpl*>(shell()->web_contents())
+  // The RenderFrameHost should not have changed.
+  EXPECT_EQ(initial_rfh, static_cast<WebContentsImpl*>(shell()->web_contents())
                              ->GetFrameTree()->root()->current_frame_host());
 }