Upstream code and resources for Chrome on iOS extensions.

ios/chrome/today_extension/interactive_label.h

+// 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_INTERACTIVE_LABEL_H_
+#define IOS_CHROME_TODAY_EXTENSION_INTERACTIVE_LABEL_H_
+
+#import <UIKit/UIKit.h>
+
+#import <base/ios/block_types.h>
+
+// Label view that can contain a link (delimited by BEGIN_LINK and END_LINK in
+// |labelString|) and a button (if |buttonString| and |buttonBlock| are both non
+// nil).
+@interface InteractiveLabel : UIView
+
+- (instancetype)initWithFrame:(CGRect)frame
+                  labelString:(NSString*)labelString
+                     fontSize:(CGFloat)fontSize
+               labelAlignment:(NSTextAlignment)labelAlignment
+                       insets:(UIEdgeInsets)insets
+                 buttonString:(NSString*)buttonString
+                    linkBlock:(ProceduralBlock)linkBlock
+                  buttonBlock:(ProceduralBlock)buttonBlock;
+
+@end
+
+#endif  // IOS_CHROME_TODAY_EXTENSION_INTERACTIVE_LABEL_H_