Recover from bad proxy settings pointing to non-proxy servers that reply anyway.

content/test/test_url_fetcher_factory.h

Index: content/test/test_url_fetcher_factory.h
diff --git a/content/test/test_url_fetcher_factory.h b/content/test/test_url_fetcher_factory.h
index c6cd0aa2e7c3ec6278c8ac78e42a2723ff1a910f..377b5b03c8c2f9c9519b9a84b02a43abe8e6bb9b 100644
--- a/content/test/test_url_fetcher_factory.h
+++ b/content/test/test_url_fetcher_factory.h
@@ -96,6 +96,10 @@ class TestURLFetcher : public URLFetcher {
   }
   virtual int response_code() const OVERRIDE;
 
+  void set_was_fetched_via_proxy(bool flag);
+
+  void set_response_headers(scoped_refptr<net::HttpResponseHeaders> headers);
+
   // Set string data.
   void SetResponseString(const std::string& response);