[ios showcase]Configures Resource Bundle and adds Toolbar Coordinator

ios/showcase/toolbar/sc_toolbar_coordinator.mm

+// 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.
+
+#import "ios/showcase/toolbar/sc_toolbar_coordinator.h"
+
+#import "ios/clean/chrome/browser/ui/toolbar/toolbar_view_controller.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@implementation SCToolbarCoordinator
+@synthesize baseViewController = _baseViewController;
+
+- (void)start {
+  ToolbarViewController* viewController = [[ToolbarViewController alloc] init];
+  viewController.title = @"Toolbar";
+  [self.baseViewController pushViewController:viewController animated:YES];
+}
+
+@end