[CrOS Tether] Update SecureChannel and BleConnectionManager to use CryptAuthService instead of a Del

components/cryptauth/fake_secure_channel.cc

Index: components/cryptauth/fake_secure_channel.cc
diff --git a/components/cryptauth/fake_secure_channel.cc b/components/cryptauth/fake_secure_channel.cc
index e06a0d4dd44c4caeabd8fe4d1cc186445b274659..03956aadc48792899f68a7b95a09f17809d9b95e 100644
--- a/components/cryptauth/fake_secure_channel.cc
+++ b/components/cryptauth/fake_secure_channel.cc
@@ -13,8 +13,8 @@ FakeSecureChannel::SentMessage::SentMessage(const std::string& feature,
     : feature(feature), payload(payload) {}
 
 FakeSecureChannel::FakeSecureChannel(std::unique_ptr<Connection> connection,
-                                     std::unique_ptr<Delegate> delegate)
-    : SecureChannel(std::move(connection), std::move(delegate)) {}
+                                     CryptAuthService* cryptauth_service)
+    : SecureChannel(std::move(connection), cryptauth_service) {}
 
 FakeSecureChannel::~FakeSecureChannel() {}