[Web Payments] Respect Harmony dialog width in Payment Request

chrome/browser/ui/views/payments/payment_request_views_util.h

 // 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 CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_VIEWS_UTIL_H_
 #define CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_VIEWS_UTIL_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 19 matching lines @@
 
 constexpr int kPaymentRequestRowHorizontalInsets = 16;
 constexpr int kPaymentRequestRowVerticalInsets = 8;
 
 // Extra inset relative to the header when a right edge should line up with the
 // close button's X rather than its invisible right edge.
 constexpr int kPaymentRequestRowExtraRightInset = 8;
 constexpr int kPaymentRequestButtonSpacing = 10;
 
 // Dimensions of the dialog itself.
-constexpr int kDialogWidth = 450;
 constexpr int kDialogHeight = 450;
 
 enum class PaymentRequestCommonTags {
   BACK_BUTTON_TAG = 0,
   CLOSE_BUTTON_TAG,
   PAY_BUTTON_TAG,
   // This is the max value of tags for controls common to multiple
   // PaymentRequest contexts. Individual screens that handle both common and
   // specific events with tags can start their specific tags at this value.
   PAYMENT_REQUEST_COMMON_TAG_MAX
 };
 
+int GetActualDialogWidth();
+
 // Creates and returns a header for all the sheets in the PaymentRequest dialog.
 // The header contains an optional back arrow button (if |show_back_arrow| is
 // true), a |title| label. |delegate| becomes the delegate for the back and
 // close buttons.
 // +---------------------------+
 // | <- | Title                |
 // +---------------------------+
 std::unique_ptr<views::View> CreateSheetHeaderView(
     bool show_back_arrow,
     const base::string16& title,
@@ skipping 35 matching lines @@
 // Creates a label with a bold font.
 std::unique_ptr<views::Label> CreateBoldLabel(const base::string16& text);
 
 std::unique_ptr<views::View> CreateShippingOptionLabel(
     payments::mojom::PaymentShippingOption* shipping_option,
     const base::string16& formatted_amount);
 
 }  // namespace payments
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PAYMENTS_PAYMENT_REQUEST_VIEWS_UTIL_H_