PlzNavigate: improve tracking of improper subframe swap-out.

content/browser/frame_host/navigation_controller_impl_unittest.cc

Index: content/browser/frame_host/navigation_controller_impl_unittest.cc
diff --git a/content/browser/frame_host/navigation_controller_impl_unittest.cc b/content/browser/frame_host/navigation_controller_impl_unittest.cc
index c1fce3c30fec4e115e8f926bf45b66b0ef7033ca..34ec08372558a22ff629a2219230ab1fe96ba199 100644
--- a/content/browser/frame_host/navigation_controller_impl_unittest.cc
+++ b/content/browser/frame_host/navigation_controller_impl_unittest.cc
@@ -221,8 +221,10 @@ class NavigationControllerTest
     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kEnableBrowserSideNavigation)) {
       FrameTreeNode* root = contents()->GetFrameTree()->root();
-      NavigationRequest* navigation_request = static_cast<NavigatorImpl*>(
-          root->navigator())->GetNavigationRequestForNodeForTesting(root);
+      NavigationRequest* navigation_request =
+          static_cast<NavigatorImpl*>(root->navigator())
+              ->GetNavigationRequestForNodeForTesting(
+                  root->frame_tree_node_id());
       return navigation_request != nullptr;
     }
     return process()->sink().GetFirstMessageMatching(FrameMsg_Navigate::ID)
@@ -233,8 +235,10 @@ class NavigationControllerTest
     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kEnableBrowserSideNavigation)) {
       FrameTreeNode* root = contents()->GetFrameTree()->root();
-      NavigationRequest* navigation_request = static_cast<NavigatorImpl*>(
-          root->navigator())->GetNavigationRequestForNodeForTesting(root);
+      NavigationRequest* navigation_request =
+          static_cast<NavigatorImpl*>(root->navigator())
+              ->GetNavigationRequestForNodeForTesting(
+                  root->frame_tree_node_id());
       CHECK(navigation_request);
       return navigation_request->common_params().url;
     }