Expose effective connection type to Cronet

components/cronet/android/cronet_url_request_context_adapter.h

Index: components/cronet/android/cronet_url_request_context_adapter.h
diff --git a/components/cronet/android/cronet_url_request_context_adapter.h b/components/cronet/android/cronet_url_request_context_adapter.h
index 95ee713a06f1510bcf3b73837f2d1dfc743ca1bc..dd32f89d2cb2d18ddec19dffd2bbcf1e82c4e21a 100644
--- a/components/cronet/android/cronet_url_request_context_adapter.h
+++ b/components/cronet/android/cronet_url_request_context_adapter.h
@@ -49,7 +49,8 @@ bool CronetUrlRequestContextAdapterRegisterJni(JNIEnv* env);
 
 // Adapter between Java CronetUrlRequestContext and net::URLRequestContext.
 class CronetURLRequestContextAdapter
-    : public net::NetworkQualityEstimator::RTTObserver,
+    : public net::NetworkQualityEstimator::EffectiveConnectionTypeObserver,
+      public net::NetworkQualityEstimator::RTTObserver,
       public net::NetworkQualityEstimator::ThroughputObserver {
  public:
   explicit CronetURLRequestContextAdapter(
@@ -159,6 +160,12 @@ class CronetURLRequestContextAdapter
   void ProvideRTTObservationsOnNetworkThread(bool should);
   void ProvideThroughputObservationsOnNetworkThread(bool should);
 
+  // net::NetworkQualityEstimator::EffectiveConnectionTypeObserver
+  // implementation.
+  void OnEffectiveConnectionTypeChanged(
+      net::NetworkQualityEstimator::EffectiveConnectionType
+          effective_connection_type) override;
+
   // net::NetworkQualityEstimator::RTTObserver implementation.
   void OnRTTObservation(int32_t rtt_ms,
                         const base::TimeTicks& timestamp,