PlzNavigate: identify same-page browser-initiated navigation.

content/test/test_web_contents.h

Index: content/test/test_web_contents.h
diff --git a/content/test/test_web_contents.h b/content/test/test_web_contents.h
index 34d42a2ac73449b45c39fe9d6e93e32a997a0b8f..0533d10deccabd3aaca00ec3ae740d80fc2e9009 100644
--- a/content/test/test_web_contents.h
+++ b/content/test/test_web_contents.h
@@ -63,6 +63,16 @@ class TestWebContents : public WebContentsImpl, public WebContentsTester {
                                    const GURL& url,
                                    const Referrer& referrer,
                                    ui::PageTransition transition) override;
+  void TestDidNavigateWithSequenceNumber(
+      RenderFrameHost* render_frame_host,
+      int nav_entry_id,
+      bool did_create_new_entry,
+      const GURL& url,
+      const Referrer& referrer,
+      ui::PageTransition transition,
+      bool was_within_same_page,
+      int item_sequence_number,
+      int document_sequence_number);
   const std::string& GetSaveFrameHeaders() override;
 
   // True if a cross-site navigation is pending.