predictors: Remove resources marked as unused.

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 4b60bbfc5da755a596becdfb3474f0919c153a30..fe328ee86868993300894dafe7bf9a5a02ede9eb 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor_test_util.h
+++ b/chrome/browser/predictors/resource_prefetch_predictor_test_util.h
@@ -43,6 +43,10 @@ void InitializeOriginStat(OriginStat* origin_stat,
                           bool always_access_network,
                           bool accessed_network);
 
+void InitializeExperiment(precache::PrecacheManifest* manifest,
+                          uint32_t experiment_id,
+                          const std::vector<bool>& bitset);
+
 PrefetchData CreatePrefetchData(const std::string& primary_key,
                                 uint64_t last_visit_time = 0);
 RedirectData CreateRedirectData(const std::string& primary_key,