predictors: Replace deprecated TestBrowserThread by TestBrowserThreadBundle

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 a86beb9bb97f4fc701ba40cb0196feccebb31221..daa3bd397f27125b1c077832b9c904dca48b441e 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor_test_util.h
+++ b/chrome/browser/predictors/resource_prefetch_predictor_test_util.h
@@ -33,10 +33,10 @@ RedirectData CreateRedirectData(const std::string& primary_key,
                                 uint64_t last_visit_time = 0);
 
 // For printing failures nicely.
-void PrintTo(const PrefetchData& data, ::std::ostream* os);
-void PrintTo(const ResourceData& resource, ::std::ostream* os);
-void PrintTo(const RedirectData& data, ::std::ostream* os);
-void PrintTo(const RedirectStat& redirect, ::std::ostream* os);
+std::ostream& operator<<(std::ostream& stream, const PrefetchData& data);
+std::ostream& operator<<(std::ostream& stream, const ResourceData& resource);
+std::ostream& operator<<(std::ostream& stream, const RedirectData& data);
+std::ostream& operator<<(std::ostream& stream, const RedirectStat& redirect);
 
 bool operator==(const PrefetchData& lhs, const PrefetchData& rhs);
 bool operator==(const ResourceData& lhs, const ResourceData& rhs);