[CRD iOS] Branching internal and external implementations

remoting/ios/app/app_delegate.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 #import "remoting/ios/app/app_delegate.h"
 
 #include "base/logging.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
+#import "remoting/ios/app/remoting_resource_factory.h"
 #import "remoting/ios/app/remoting_view_controller.h"
 #import "remoting/ios/facade/remoting_authentication.h"
 #import "remoting/ios/facade/remoting_service.h"
 
 @implementation AppDelegate
 
 @synthesize window = _window;
 
 - (BOOL)application:(UIApplication*)application
     willFinishLaunchingWithOptions:(NSDictionary*)launchOptions {
@@ skipping 26 matching lines @@
 
   [self launchRemotingViewController];
   return YES;
 }
 
 - (void)launchRemotingViewController {
   RemotingViewController* vc = [[RemotingViewController alloc] init];
   UINavigationController* navController =
       [[UINavigationController alloc] initWithRootViewController:vc];
   navController.navigationBarHidden = true;
-  self.window.rootViewController = navController;
+  self.window.rootViewController = [RemotingResourceFactory.defaultFactory
+      wrapRootViewController:navController];
   [self.window makeKeyAndVisible];
 }
 
 @end