Remove AsyncResult::RESULT_FAILED_DIRECTORY. It's not used anywhere other than...

Remove AsyncResult::RESULT_FAILED_DIRECTORY. It's not used anywhere other than some code to communicate it to the webapp (where it's also not used).

Review URL: https://codereview.chromium.org/1687543004

Cr-Commit-Position: refs/heads/master@{#374837}

remoting/host/setup/daemon_controller.h

@@ -58,9 +58,6 @@ class DaemonController : public base::RefCountedThreadSafe<DaemonController> {
     // TODO(sergeyu): Current implementations don't return this value.
     RESULT_CANCELLED = 2,
 
-    // Failed to access host directory.
-    RESULT_FAILED_DIRECTORY = 3
-
     // TODO(sergeyu): Add more error codes when we know how to handle
     // them in the webapp.
   };

remoting/host/setup/me2me_native_messaging_host.cc

@@ -505,9 +505,6 @@ void Me2MeNativeMessagingHost::SendAsyncResult(
     case DaemonController::RESULT_CANCELLED:
       response->SetString("result", "CANCELLED");
       break;
-    case DaemonController::RESULT_FAILED_DIRECTORY:
-      response->SetString("result", "FAILED_DIRECTORY");
-      break;
   }
   channel_->SendMessage(std::move(response));
 }

remoting/webapp/crd/js/host_controller.js

@@ -56,8 +56,7 @@ remoting.HostController.State.fromString = function(state) {
 remoting.HostController.AsyncResult = {
   OK: 0,
   FAILED: 1,
-  CANCELLED: 2,
-  FAILED_DIRECTORY: 3
+  CANCELLED: 2
 };
 
 /**