Add protected header for ConfirmInfobarController

ios/chrome/browser/infobars/confirm_infobar_controller+protected.h

Index: ios/chrome/browser/infobars/confirm_infobar_controller+protected.h
diff --git a/ios/chrome/browser/infobars/confirm_infobar_controller+protected.h b/ios/chrome/browser/infobars/confirm_infobar_controller+protected.h
new file mode 100644
index 0000000000000000000000000000000000000000..6bf3b7fe6fb7d8eb126f0429487063ea113c3357
--- /dev/null
+++ b/ios/chrome/browser/infobars/confirm_infobar_controller+protected.h
@@ -0,0 +1,19 @@
+// 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_CHROME_BROWSER_INFOBARS_CONFIRM_INFOBAR_CONTROLLER_PROTECTED_H_
+#define IOS_CHROME_BROWSER_INFOBARS_CONFIRM_INFOBAR_CONTROLLER_PROTECTED_H_
+
+#import "ios/chrome/browser/infobars/confirm_infobar_controller.h"
+
+@interface ConfirmInfoBarController ()
+// Action for any of the user defined buttons.
+- (void)infoBarButtonDidPress:(id)sender;
+// Action for any of the user defined links.
+- (void)infobarLinkDidPress:(NSNumber*)tag;
+// Updates the label on the provided view.
+- (void)updateInfobarLabel:(UIView<InfoBarViewProtocol>*)view;
+@end
+
+#endif  // IOS_CHROME_BROWSER_INFOBARS_CONFIRM_INFOBAR_CONTROLLER+PROTECTED_H_