[ios] RootCoordinator and view controller.

ios/clean/chrome/browser/ui/root/root_container_view_controller.h

Index: ios/clean/chrome/browser/ui/root/root_container_view_controller.h
diff --git a/ios/clean/chrome/browser/ui/root/root_container_view_controller.h b/ios/clean/chrome/browser/ui/root/root_container_view_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..f35a57472f67a63183eb4c458bc0b34978afaf8e
--- /dev/null
+++ b/ios/clean/chrome/browser/ui/root/root_container_view_controller.h
@@ -0,0 +1,21 @@
+// Copyright 2017 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.
+
+#ifndef IOS_CLEAN_CHROME_BROWSER_UI_ROOT_ROOT_CONTAINER_VIEW_CONTROLLER_H_
+#define IOS_CLEAN_CHROME_BROWSER_UI_ROOT_ROOT_CONTAINER_VIEW_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/clean/chrome/browser/ui/animators/zoom_transition_delegate.h"
+
+// View controller that wholly contains a content view controller.

[lpromero, 2017/04/11 15:20:39]

Does it make sense to add this view controller to Showcase?

[edchin, 2017/04/11 15:52:05]

Yes it does. Will do.

[edchin, 2017/04/12 08:10:52]

Done.

+@interface RootContainerViewController
+    : UIViewController<ZoomTransitionDelegate>
+
+// View controller showing the main content.
+@property(nonatomic, weak) UIViewController* contentViewController;
+
+@end
+
+#endif  // IOS_CLEAN_CHROME_BROWSER_UI_ROOT_ROOT_CONTAINER_VIEW_CONTROLLER_H_