Remove old Authentication code that we don't use or need.

remoting/client/plugin/pepper_view.cc

Index: remoting/client/plugin/pepper_view.cc
diff --git a/remoting/client/plugin/pepper_view.cc b/remoting/client/plugin/pepper_view.cc
index c893d0bd6d95289e92a5ce3f35ba3527438fdb82..fa20c06a64b86c29e62544f04b7a8ade5bd9f615 100644
--- a/remoting/client/plugin/pepper_view.cc
+++ b/remoting/client/plugin/pepper_view.cc
@@ -237,11 +237,13 @@ void PepperView::SetConnectionState(protocol::ConnectionToHost::State state,
       break;
 
     case protocol::ConnectionToHost::CONNECTED:
-      scriptable_obj->SignalLoginChallenge();
       break;
 
     case protocol::ConnectionToHost::AUTHENTICATED:
       UnsetSolidFill();
+      scriptable_obj->SetConnectionStatus(
+          ChromotingScriptableObject::STATUS_CONNECTED,
+          ConvertConnectionError(error));
       break;
 
     case protocol::ConnectionToHost::CLOSED:
@@ -260,20 +262,6 @@ void PepperView::SetConnectionState(protocol::ConnectionToHost::State state,
   }
 }
 
-void PepperView::UpdateLoginStatus(bool success, const std::string& info) {
-  DCHECK(context_->main_message_loop()->BelongsToCurrentThread());
-
-  // TODO(hclam): Re-consider the way we communicate with Javascript.
-  ChromotingScriptableObject* scriptable_obj = instance_->GetScriptableObject();
-  if (success) {
-    scriptable_obj->SetConnectionStatus(
-        ChromotingScriptableObject::STATUS_CONNECTED,
-        ChromotingScriptableObject::ERROR_NONE);
-  } else {
-    scriptable_obj->SignalLoginChallenge();
-  }
-}
-
 bool PepperView::SetPluginSize(const SkISize& plugin_size) {
   if (plugin_size_ == plugin_size)
     return false;