Revert of Remove confusing keyboard test & focus on input device

chrome/browser/ui/webui/chromeos/login/oobe_ui.cc

Index: chrome/browser/ui/webui/chromeos/login/oobe_ui.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/oobe_ui.cc b/chrome/browser/ui/webui/chromeos/login/oobe_ui.cc
index 94f71158bb7b01ca53fcbdb18a7681b015be52ff..d2db7e5a08c7062d2dcdb78b0667fe2388ae3025 100644
--- a/chrome/browser/ui/webui/chromeos/login/oobe_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/login/oobe_ui.cc
@@ -226,12 +226,17 @@
   return path;
 }
 
-bool IsRemoraRequisitioned() {
-  policy::DeviceCloudPolicyManagerChromeOS* policy_manager =
-      g_browser_process->platform_part()
-          ->browser_policy_connector_chromeos()
-          ->GetDeviceCloudPolicyManager();
-  return policy_manager && policy_manager->IsRemoraRequisition();
+bool IsKeyboardConnected() {
+  const std::vector<ui::InputDevice>& keyboards =
+      ui::InputDeviceManager::GetInstance()->GetKeyboardDevices();
+  for (const ui::InputDevice& keyboard : keyboards) {
+    if (keyboard.type == ui::INPUT_DEVICE_INTERNAL ||
+        keyboard.type == ui::INPUT_DEVICE_EXTERNAL) {
+      return true;
+    }
+  }
+
+  return false;
 }
 
 }  // namespace
@@ -371,7 +376,7 @@
 
   // TODO(felixe): Display iteration and primary display selection not supported
   // in Mash. See http://crbug.com/720917.
-  if (!ash_util::IsRunningInMash() && IsRemoraRequisitioned())
+  if (!ash_util::IsRunningInMash() && !IsKeyboardConnected())
     oobe_display_chooser_ = base::MakeUnique<OobeDisplayChooser>();
 }