[Cast Channel] Add real SSL tests to CastSocketTest

components/cast_channel/cast_socket.h

Index: components/cast_channel/cast_socket.h
diff --git a/components/cast_channel/cast_socket.h b/components/cast_channel/cast_socket.h
index e51d26f281efddbf17f325fce34030ce000ff04f..566993b533a88f1125dfd67bdd4189190fa6a9b6 100644
--- a/components/cast_channel/cast_socket.h
+++ b/components/cast_channel/cast_socket.h
@@ -234,16 +234,8 @@ class CastSocketImpl : public CastSocket {
   void Connect();
 
  private:
-  FRIEND_TEST_ALL_PREFIXES(CastSocketTest, TestConnectAuthMessageCorrupted);
-  FRIEND_TEST_ALL_PREFIXES(CastSocketTest,
-                           TestConnectChallengeReplyReceiveError);
-  FRIEND_TEST_ALL_PREFIXES(CastSocketTest,
-                           TestConnectChallengeVerificationFails);
-  FRIEND_TEST_ALL_PREFIXES(CastSocketTest, TestObservers);
+  FRIEND_TEST_ALL_PREFIXES(MockCastSocketTest, TestObservers);
   friend class AuthTransportDelegate;
-  friend class CastSocketMessageDelegate;
-  friend class CastSocketTest;
-  friend class TestCastSocket;
 
   void SetErrorState(ChannelError error_state) override;