Sketch out the onboarding permissions view.

Signal/src/ViewControllers/Registration/OnboardingController.swift

@@ -9,3 +9,12 @@ public protocol OnboardingController: class {
     func onboardingPermissionsWasSkipped(viewController: UIViewController)
     func onboardingPermissionsDidComplete(viewController: UIViewController)
 }
+
+// MARK: -
+
+@objc
+public class MockOnboardingController: NSObject, OnboardingController {
+    public func onboardingPermissionsWasSkipped(viewController: UIViewController) {}
+    
+    public func onboardingPermissionsDidComplete(viewController: UIViewController) {}
+}

Signal/src/ViewControllers/Registration/OnboardingPermissionsViewController.swift

@@ -5,15 +5,6 @@
 import UIKit
 import PromiseKit
 
-@objc
-public class MockOnboardingController: NSObject, OnboardingController {
-    public func onboardingPermissionsWasSkipped(viewController: UIViewController) {}
-
-    public func onboardingPermissionsDidComplete(viewController: UIViewController) {}
-}
-
-// MARK: -
-
 @objc
 public class OnboardingPermissionsViewController: OWSViewController {
     // Unlike a delegate, the OnboardingController we should retain a strong