Adding observer functionality to UINetworkQualityService

components/offline_pages/background/request_coordinator_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/offline_pages/background/request_coordinator.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 142 matching lines @@
     : 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:
@@ skipping 1187 matching lines @@
   // Now whether processing triggered immediately depends on whether test
   // is run on svelte device or not.
   if (base::SysInfo::IsLowEndDevice()) {
     EXPECT_FALSE(is_busy());
   } else {
     EXPECT_TRUE(is_busy());
   }
 }
 
 }  // namespace offline_pages