[Payment Request] Picker view + showcase integration + egtests

ios/chrome/browser/payments/payment_request_picker_row.h

Index: ios/chrome/browser/payments/payment_request_picker_row.h
diff --git a/ios/chrome/browser/payments/payment_request_picker_row.h b/ios/chrome/browser/payments/payment_request_picker_row.h
new file mode 100644
index 0000000000000000000000000000000000000000..8d1b7e58250c664ca9bac97e1728c7e1ed11737a
--- /dev/null
+++ b/ios/chrome/browser/payments/payment_request_picker_row.h
@@ -0,0 +1,21 @@
+// Copyright 2017 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_PAYMENTS_PAYMENT_REQUEST_PICKER_ROW_H_
+#define IOS_CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_PICKER_ROW_H_
+
+#import <Foundation/Foundation.h>
+
+// The model object for a row in the payment request picker.
+@interface PickerRow : NSObject
+
+// The label for the row. This is displayed in the UI.
+@property(nonatomic, copy) NSString* label;
+// The value for the row. This is not displayed in the UI and is optional.

[lpromero, 2017/03/29 11:38:15]

If it's not displayed in the UI, what is its purpose?

[Moe, 2017/03/29 17:04:09]

Similar to HTML option tag, label is for presentation and value is what actually
being selected. 

+@property(nonatomic, copy) NSString* value;
+
+- (instancetype)initWithLabel:(NSString*)label value:(NSString*)value;
+@end
+
+#endif  // IOS_CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_PICKER_ROW_H_