PlzNavigate: Eliminate test_runner bailing out of layout tests too early

components/test_runner/web_frame_test_client.h

Index: components/test_runner/web_frame_test_client.h
diff --git a/components/test_runner/web_frame_test_client.h b/components/test_runner/web_frame_test_client.h
index ed81b726159a60553c28590ab1e70f40753d5244..235fe6584cd5e6c60c7c51bea7090634e2b380df 100644
--- a/components/test_runner/web_frame_test_client.h
+++ b/components/test_runner/web_frame_test_client.h
@@ -84,6 +84,11 @@ class WebFrameTestClient : public blink::WebFrameClient {
                    const blink::WebURLError& error,
                    blink::WebHistoryCommitType commit_type) override;
   void didFinishLoad(blink::WebLocalFrame* frame) override;
+  void didNavigateWithinPage(blink::WebLocalFrame* frame,
+                             const blink::WebHistoryItem& history_item,
+                             blink::WebHistoryCommitType commit_type,
+                             bool contentInitiated) override;
+  void didStartLoading(bool to_different_document) override;
   void didStopLoading() override;
   void didDetectXSS(const blink::WebURL& insecure_url,
                     bool did_block_entire_page) override;