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 2af956ffd96183501ac53c0765bd8e8a0ce91d9f..006c7aa159d995827294a4f19317bf7f9ba2b53e 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)) {
   resource_prefetch_predictor_->SetStatsCollector(stats_collector_.get());
 }