PlzNavigate: identify same-page browser-initiated 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 4d7efdfb471f44bff4cf4b83ba83ae695d925f88..32ad4a418b2b660a36bae118faaef19b1faa82d4 100644
--- a/content/test/test_render_frame_host.cc
+++ b/content/test/test_render_frame_host.cc
@@ -432,8 +432,9 @@ void TestRenderFrameHost::PrepareForCommitWithServerRedirect(
   // PlzNavigate
   NavigationRequest* request = frame_tree_node_->navigation_request();
   CHECK(request);
-  bool have_to_make_network_request = ShouldMakeNetworkRequestForURL(
-      request->common_params().url);
+  bool have_to_make_network_request =
+      ShouldMakeNetworkRequestForURL(request->common_params().url) &&
+      !request->request_params().is_same_document_navigation;
 
   // Simulate a beforeUnload ACK from the renderer if the browser is waiting for
   // it. If it runs it will update the request state.