[ios showcase]Configures Resource Bundle and adds Toolbar Coordinator

ios/showcase/settings/settings_coordinator.h

Index: ios/showcase/settings/settings_coordinator.h
diff --git a/ios/showcase/settings/settings_coordinator.h b/ios/showcase/settings/settings_coordinator.h
deleted file mode 100644
index d1036b804e6ee8d07a1eab60123e2632a0ac09f7..0000000000000000000000000000000000000000
--- a/ios/showcase/settings/settings_coordinator.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// 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.
-
-#ifndef IOS_SHOWCASE_SETTINGS_SETTINGS_COORDINATOR_H_
-#define IOS_SHOWCASE_SETTINGS_SETTINGS_COORDINATOR_H_
-
-#import <UIKit/UIKit.h>
-
-#import "ios/showcase/common/coordinator.h"
-
-@interface SettingsCoordinator : NSObject<Coordinator>
-
-// Redefined to be a UINavigationController.
-@property(nonatomic, weak) UINavigationController* baseViewController;
-
-@end
-
-#endif  // IOS_SHOWCASE_SETTINGS_SETTINGS_COORDINATOR_H_