Simple strip container that can reveal/hide tab strip.

ios/showcase/strip/sc_strip_coordinator.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.
+
+#import "ios/showcase/strip/sc_strip_coordinator.h"
+
+#import "ios/chrome/browser/ui/strip/strip_container_view_controller.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@interface SCStripCoordinator ()
+@property(nonatomic, strong) StripContainerViewController* viewController;
+@end
+
+@implementation SCStripCoordinator
+@synthesize baseViewController = _baseViewController;
+@synthesize viewController = _viewController;
+
+- (void)start {
+  UIViewController* blackViewController = [[UIViewController alloc] init];
+  blackViewController.view.backgroundColor = [UIColor blackColor];

[marq (ping after 24h), 2016/12/21 17:26:15]

Newline after this to separate the two view controller setups.

[edchin, 2016/12/22 10:37:44]

Done.

+  UIViewController* greenViewController =
+      [self viewControllerWithButtonTitle:@"toggleStrip"
+                                   action:@selector(toggleTabStrip:)];
+  greenViewController.view.backgroundColor = [UIColor greenColor];
+
+  self.viewController = [[StripContainerViewController alloc] init];
+  self.viewController.title = @"Tab strip container";
+  self.viewController.stripViewController = blackViewController;
+  self.viewController.contentViewController = greenViewController;
+  self.baseViewController.navigationBar.translucent = NO;
+  [self.baseViewController pushViewController:self.viewController animated:YES];
+}
+
+- (UIViewController*)viewControllerWithButtonTitle:(NSString*)title
+                                            action:(SEL)action {
+  UIViewController* viewController = [[UIViewController alloc] init];
+  UIButton* button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
+  [button setFrame:CGRectMake(10, 10, 80, 50)];
+  [button setTitle:title forState:UIControlStateNormal];
+  [viewController.view addSubview:button];
+  [button addTarget:nil
+                action:action
+      forControlEvents:UIControlEventTouchUpInside];
+  return viewController;
+}
+
+@end