Update GnubbyAuthHandler to use the current session ID

remoting/host/security_key/gnubby_auth_handler_linux_unittest.cc

Index: remoting/host/security_key/gnubby_auth_handler_linux_unittest.cc
diff --git a/remoting/host/security_key/gnubby_auth_handler_linux_unittest.cc b/remoting/host/security_key/gnubby_auth_handler_linux_unittest.cc
index 74ba1b7ee6661d14248e644cc95db30ca29ffa65..c9888ca073de84aa0ddcb7819c2b026f311b1b25 100644
--- a/remoting/host/security_key/gnubby_auth_handler_linux_unittest.cc
+++ b/remoting/host/security_key/gnubby_auth_handler_linux_unittest.cc
@@ -57,7 +57,10 @@ class GnubbyAuthHandlerLinuxTest : public testing::Test {
     send_message_callback_ =
         base::Bind(&GnubbyAuthHandlerLinuxTest::SendMessageToClient,
                    base::Unretained(this));
-    auth_handler_ = remoting::GnubbyAuthHandler::Create(send_message_callback_);
+    session_id_callback_ = base::Bind(&GnubbyAuthHandlerLinuxTest::GetSessionId,
+                                      base::Unretained(this));
+    auth_handler_ = remoting::GnubbyAuthHandler::Create(send_message_callback_,
+                                                        session_id_callback_);
   }
 
   void WaitForSendMessageToClient() {
@@ -71,6 +74,8 @@ class GnubbyAuthHandlerLinuxTest : public testing::Test {
     run_loop_->Quit();
   }
 
+  uint32_t GetSessionId() const { return UINT32_MAX; }

[Sergey Ulanov, 2016/06/27 23:51:58]

can be a static function.

+
   void CheckHostDataMessage(int id, const std::string& expected_data) {
     ASSERT_EQ(id, last_connection_id_received_);
     ASSERT_EQ(expected_data.length(), last_message_received_.length());
@@ -120,6 +125,7 @@ class GnubbyAuthHandlerLinuxTest : public testing::Test {
   std::unique_ptr<GnubbyAuthHandler> auth_handler_;
 
   GnubbyAuthHandler::SendMessageCallback send_message_callback_;
+  GnubbyAuthHandler::SessionIdCallback session_id_callback_;
 
   int last_connection_id_received_;
   std::string last_message_received_;