predictors: Make speculative_prefetch_predictor work with PlzNavigate

chrome/browser/predictors/resource_prefetch_predictor_test_util.h

Index: chrome/browser/predictors/resource_prefetch_predictor_test_util.h
diff --git a/chrome/browser/predictors/resource_prefetch_predictor_test_util.h b/chrome/browser/predictors/resource_prefetch_predictor_test_util.h
index bd72225256f72fc6d67cd05cb42610512fa1d7b6..0445f630cd606821ba16a2453c4c72d5e37dfb66 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor_test_util.h
+++ b/chrome/browser/predictors/resource_prefetch_predictor_test_util.h
@@ -4,6 +4,8 @@
 #ifndef CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TEST_UTIL_H_
 #define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TEST_UTIL_H_
 
+#include <map>
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -69,6 +71,11 @@ std::ostream& operator<<(
     std::ostream& stream,
     const ResourcePrefetchPredictor::URLRequestSummary& summary);
 std::ostream& operator<<(std::ostream& stream, const NavigationID& id);
+std::ostream& operator<<(
+    std::ostream& stream,
+    const std::map<
+        NavigationID,
+        std::unique_ptr<ResourcePrefetchPredictor::PageRequestSummary>>& map);
 
 bool operator==(const PrefetchData& lhs, const PrefetchData& rhs);
 bool operator==(const ResourceData& lhs, const ResourceData& rhs);