Cleanup ios/web_view.

ios/web_view/shell/shell_view_controller.h

+// Copyright 2014 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_WEB_VIEW_SHELL_SHELL_VIEW_CONTROLLER_H_
+#define IOS_WEB_VIEW_SHELL_SHELL_VIEW_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/web_view/public/criwv_web_view_delegate.h"
+
+// Implements the main UI for web_view_shell, including the toolbar and web
+// view.
+@interface ShellViewController
+    : UIViewController<CRIWVWebViewDelegate, UITextFieldDelegate>
+
+// Exposed for interface builder.
+@property(nonatomic, retain) IBOutlet UIView* containerView;
+@property(nonatomic, retain) IBOutlet UIToolbar* toolbarView;
+
+// Designated initializer.
+- (instancetype)init;
+
+@end
+
+#endif  // IOS_WEB_VIEW_SHELL_SHELL_VIEW_CONTROLLER_H_