Adding observer functionality to UINetworkQualityService

components/offline_pages/background/request_coordinator_unittest.cc

Index: components/offline_pages/background/request_coordinator_unittest.cc
diff --git a/components/offline_pages/background/request_coordinator_unittest.cc b/components/offline_pages/background/request_coordinator_unittest.cc
index 0cfd54b476e58847e04495004bb839e1e5a6a980..abba37699cbf7d905e2a3f1ebaf92f114a2c0296 100644
--- a/components/offline_pages/background/request_coordinator_unittest.cc
+++ b/components/offline_pages/background/request_coordinator_unittest.cc
@@ -153,20 +153,28 @@ class NetworkQualityEstimatorStub
     : public net::NetworkQualityEstimator::NetworkQualityProvider {
  public:
   NetworkQualityEstimatorStub()
       : connection_type_(
             net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_3G) {}
 
   net::EffectiveConnectionType GetEffectiveConnectionType() const override {
     return connection_type_;
   }
 
+  void AddEffectiveConnectionTypeObserver(
+      net::NetworkQualityEstimator::EffectiveConnectionTypeObserver* observer)
+      override {}
+
+  void RemoveEffectiveConnectionTypeObserver(
+      net::NetworkQualityEstimator::EffectiveConnectionTypeObserver* observer)
+      override {}
+
   void SetEffectiveConnectionTypeForTest(net::EffectiveConnectionType type) {
     connection_type_ = type;
   }
 
  private:
   net::EffectiveConnectionType connection_type_;
 };
 
 class ObserverStub : public RequestCoordinator::Observer {
  public: