[cast_channel] Implement CastSocketService::OpenSocket()

components/cast_channel/cast_test_util.h

Index: components/cast_channel/cast_test_util.h
diff --git a/components/cast_channel/cast_test_util.h b/components/cast_channel/cast_test_util.h
index 48273c223efe8267c194b6d2a60c64f42fc08b34..5c5510148bc05325b946c1ab8bb17a8e49773705 100644
--- a/components/cast_channel/cast_test_util.h
+++ b/components/cast_channel/cast_test_util.h
@@ -74,21 +74,43 @@ class MockCastSocket : public CastSocket {
   }
 
   MOCK_METHOD1(Close, void(const net::CompletionCallback& callback));
-  MOCK_CONST_METHOD0(ip_endpoint, const net::IPEndPoint&());
-  MOCK_CONST_METHOD0(id, int());
-  MOCK_METHOD1(set_id, void(int id));
-  MOCK_CONST_METHOD0(channel_auth, ChannelAuthType());
   MOCK_CONST_METHOD0(ready_state, ReadyState());
-  MOCK_CONST_METHOD0(error_state, ChannelError());
-  MOCK_CONST_METHOD0(keep_alive, bool(void));
-  MOCK_CONST_METHOD0(audio_only, bool(void));
-  MOCK_METHOD1(SetErrorState, void(ChannelError error_state));
 
-  CastTransport* transport() const override { return mock_transport_.get(); }
+  const net::IPEndPoint& ip_endpoint() const override { return ip_endpoint_; }
+  void SetIPEndpoint(const net::IPEndPoint& ip_endpoint) {
+    ip_endpoint_ = ip_endpoint;
+  }
+
+  int id() const override { return channel_id_; }
+  void set_id(int id) override { channel_id_ = id; }
 
+  ChannelAuthType channel_auth() const override { return channel_auth_; }
+  void SetChannelAuth(ChannelAuthType channel_auth) {
+    channel_auth_ = channel_auth;
+  }
+
+  ChannelError error_state() const override { return error_state_; }
+  void SetErrorState(ChannelError error_state) override {
+    error_state_ = error_state;
+  }
+
+  bool keep_alive() const override { return keep_alive_; }
+  void SetKeepAlive(bool keep_alive) { keep_alive_ = keep_alive; }
+
+  bool audio_only() const override { return audio_only_; }
+  void SetAudioOnly(bool audio_only) { audio_only_ = audio_only; }
+
+  CastTransport* transport() const override { return mock_transport_.get(); }
   MockCastTransport* mock_transport() const { return mock_transport_.get(); }
 
  private:
+  net::IPEndPoint ip_endpoint_;
+  int channel_id_;
+  ChannelAuthType channel_auth_;
+  ChannelError error_state_;
+  bool keep_alive_;
+  bool audio_only_;
+
   std::unique_ptr<MockCastTransport> mock_transport_;
   std::unique_ptr<CastTransport::Delegate> delegate_;