Refactor net predictor to use ResourceThrottles

chrome/browser/net/predictor.h

Index: chrome/browser/net/predictor.h
diff --git a/chrome/browser/net/predictor.h b/chrome/browser/net/predictor.h
index 53ea6323ca8a610e9bbcc57faba79fa4666ee3c4..b2f2e7c23c82354a0bb0e57debc5c5cdbac9b9cf 100644
--- a/chrome/browser/net/predictor.h
+++ b/chrome/browser/net/predictor.h
@@ -307,6 +307,7 @@ class Predictor {
     return predictor_enabled_;
   }
 
+  TimedCache* timed_cache() { return timed_cache_.get(); }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(PredictorTest, BenefitLookupTest);
@@ -595,6 +596,8 @@ class Predictor {
   // An observer for testing.
   PredictorObserver* observer_;
 
+  std::unique_ptr<TimedCache> timed_cache_;
+
   scoped_ptr<base::WeakPtrFactory<Predictor> > weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Predictor);