predictors: Move more methods from ResourcePrefetchPredictor into LoadingDataCollector.

chrome/browser/predictors/loading_predictor.cc

Index: chrome/browser/predictors/loading_predictor.cc
diff --git a/chrome/browser/predictors/loading_predictor.cc b/chrome/browser/predictors/loading_predictor.cc
index 5d1ced2c4b7ae1e5da06e56b220a3b1383e2ff53..b79e53a07a434087d1736786910f9733f7c6d572 100644
--- a/chrome/browser/predictors/loading_predictor.cc
+++ b/chrome/browser/predictors/loading_predictor.cc
@@ -13,8 +13,6 @@
 
 namespace predictors {
 
-using URLRequestSummary = ResourcePrefetchPredictor::URLRequestSummary;
-
 LoadingPredictor::LoadingPredictor(const LoadingPredictorConfig& config,
                                    Profile* profile)
     : config_(config),
@@ -25,7 +23,9 @@ LoadingPredictor::LoadingPredictor(const LoadingPredictorConfig& config,
           resource_prefetch_predictor_.get(),
           config)),
       loading_data_collector_(base::MakeUnique<LoadingDataCollector>(
-          resource_prefetch_predictor())),
+          resource_prefetch_predictor_.get(),
+          stats_collector_.get(),
+          config)),
       weak_factory_(this) {
   resource_prefetch_predictor_->SetStatsCollector(stats_collector_.get());
 }