Upstream code and resources for Chrome on iOS extensions.

ios/chrome/today_extension/physical_web_optin_footer.h

Index: ios/chrome/today_extension/physical_web_optin_footer.h
diff --git a/ios/chrome/today_extension/physical_web_optin_footer.h b/ios/chrome/today_extension/physical_web_optin_footer.h
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index 0000000000000000000000000000000000000000..e043769a8d65bdde1c609ffb44c881c04e7fe262
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+++ b/ios/chrome/today_extension/physical_web_optin_footer.h
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+// Copyright 2015 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_TODAY_EXTENSION_PHYSICAL_WEB_OPTIN_FOOTER_H_
+#define IOS_CHROME_TODAY_EXTENSION_PHYSICAL_WEB_OPTIN_FOOTER_H_
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/common/physical_web/physical_web_types.h"
+#import "ios/chrome/today_extension/footer_label.h"
+
+// Opt-in dialog shown the first time a physical web beacon is discovered.
+// Contains a learn more link, a button to opt in and a button to opt out.
+@interface PhysicalWebOptInFooter : NSObject<FooterLabel>
+
+- (id)initWithLeftInset:(CGFloat)leftInset
+         learnMoreBlock:(LearnMoreBlock)learnMoreBlock
+            optinAction:(EnableDisableBlock)optinAction
+          dismissAction:(EnableDisableBlock)dismissAction;
+
+@end
+
+#endif  // IOS_CHROME_TODAY_EXTENSION_PHYSICAL_WEB_OPTIN_FOOTER_H_