Change net/nqe and some url_request tests to use new URLRequest API

net/nqe/network_quality_estimator.h

Index: net/nqe/network_quality_estimator.h
diff --git a/net/nqe/network_quality_estimator.h b/net/nqe/network_quality_estimator.h
index 45554e85481e3f43783b167f5e40c46bea29ca41..248d2089d5ac00583d178efc580ec631920b56bf 100644
--- a/net/nqe/network_quality_estimator.h
+++ b/net/nqe/network_quality_estimator.h
@@ -180,7 +180,7 @@ class NET_EXPORT NetworkQualityEstimator
 
   // Notifies NetworkQualityEstimator that the response body of |request| has
   // been received.
-  void NotifyRequestCompleted(const URLRequest& request);
+  void NotifyRequestCompleted(const URLRequest& request, int net_error);
 
   // Notifies NetworkQualityEstimator that |request| will be destroyed.
   void NotifyURLRequestDestroyed(const URLRequest& request);
@@ -479,7 +479,7 @@ class NET_EXPORT NetworkQualityEstimator
   // Records a correlation metric that can be used for computing the correlation
   // between HTTP-layer RTT, transport-layer RTT, throughput and the time
   // taken to complete |request|.
-  void RecordCorrelationMetric(const URLRequest& request) const;
+  void RecordCorrelationMetric(const URLRequest& request, int net_error) const;
 
   // Returns true if transport RTT should be used for computing the effective
   // connection type.