ChromeOS MD-OOBE: Add HID detection screen.

chrome/browser/chromeos/login/wizard_controller.cc

Index: chrome/browser/chromeos/login/wizard_controller.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller.cc b/chrome/browser/chromeos/login/wizard_controller.cc
index 3e572c9e2db2e9a3f0245691db37bf9b378c78a6..589f10b2b41fc1fde866194d6ea1d068a297b9f8 100644
--- a/chrome/browser/chromeos/login/wizard_controller.cc
+++ b/chrome/browser/chromeos/login/wizard_controller.cc
@@ -608,8 +608,6 @@ void WizardController::ShowSupervisedUserCreationScreen() {
 
 void WizardController::ShowHIDDetectionScreen() {
   VLOG(1) << "Showing HID discovery screen.";
-  // TODO(drcrash): Remove this after testing (http://crbug.com/647411).
-  SetShowMdOobe(false);  // Disable the MD OOBE from there on.

[xiyuan, 2017/01/05 00:09:06]

We should check with drcrash@ to make sure this does not break his zero touch
enrollment work. He had problem before with md turned on.

[Alexander Alekseev, 2017/01/05 02:01:16]

http://crbug.com/647411 is saying about missing HID detection screen which is
added in this CL.

   SetStatusAreaVisible(true);
   SetCurrentScreen(GetScreen(kHIDDetectionScreenName));
   // In HID detection screen, puts the Bluetooth in discoverable mode and waits