Disallow was_within_same_page = true for a cross-process navigation.

content/test/test_render_frame_host.cc

Index: content/test/test_render_frame_host.cc
diff --git a/content/test/test_render_frame_host.cc b/content/test/test_render_frame_host.cc
index 5ae3fd8ef74f51fbc52a6482062f0c5356fa35bc..16bb7812431e433b8934479f5fa8e66ca92185db 100644
--- a/content/test/test_render_frame_host.cc
+++ b/content/test/test_render_frame_host.cc
@@ -259,10 +259,12 @@ void TestRenderFrameHost::SendNavigateWithParameters(
     ui::PageTransition transition,
     int response_code,
     const ModificationCallback& callback) {
+  if (!IsBrowserSideNavigationEnabled())
+    OnDidStartLoading(true);
+
   // DidStartProvisionalLoad may delete the pending entry that holds |url|,
   // so we keep a copy of it to use below.
   GURL url_copy(url);
-  OnDidStartLoading(true);
   OnDidStartProvisionalLoad(url_copy, base::TimeTicks::Now());
 
   FrameHostMsg_DidCommitProvisionalLoad_Params params;