predictors: Move more methods from ResourcePrefetchPredictor into LoadingDataCollector.

chrome/browser/predictors/loading_predictor.h

Index: chrome/browser/predictors/loading_predictor.h
diff --git a/chrome/browser/predictors/loading_predictor.h b/chrome/browser/predictors/loading_predictor.h
index 89f48bb407b630e6186b440795610738deab34e1..1c528f8d858839fd9680c37c2135e44453c20a0c 100644
--- a/chrome/browser/predictors/loading_predictor.h
+++ b/chrome/browser/predictors/loading_predictor.h
@@ -58,12 +58,9 @@ class LoadingPredictor : public KeyedService {
   // KeyedService:
   void Shutdown() override;
 
-  void OnMainFrameRequest(
-      const ResourcePrefetchPredictor::URLRequestSummary& summary);
-  void OnMainFrameRedirect(
-      const ResourcePrefetchPredictor::URLRequestSummary& summary);
-  void OnMainFrameResponse(
-      const ResourcePrefetchPredictor::URLRequestSummary& summary);
+  void OnMainFrameRequest(const URLRequestSummary& summary);
+  void OnMainFrameRedirect(const URLRequestSummary& summary);
+  void OnMainFrameResponse(const URLRequestSummary& summary);
 
   base::WeakPtr<LoadingPredictor> GetWeakPtr() {
     return weak_factory_.GetWeakPtr();