[Web Payments] Properly constrain label width in order summary

chrome/browser/ui/views/payments/order_summary_view_controller.cc

 // 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.
 
 #include "chrome/browser/ui/views/payments/order_summary_view_controller.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
@@ skipping 40 matching lines @@
   // The vertical spacing for these rows is slightly different than the spacing
   // spacing for clickable rows, so don't use kPaymentRequestRowVerticalInsets.
   constexpr int kRowVerticalInset = 12;
   layout->SetInsets(kRowVerticalInset,
                     payments::kPaymentRequestRowHorizontalInsets,
                     kRowVerticalInset,
                     payments::kPaymentRequestRowHorizontalInsets);
 
   row->SetLayoutManager(layout);
   views::ColumnSet* columns = layout->AddColumnSet(0);
-  columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
-                     0, views::GridLayout::USE_PREF, 0, 0);
-  columns->AddPaddingColumn(1, 0);
+  // The first column has resize_percent = 1 so that it streches all the way
+  // across the row up to the amount label. This way the first label elides as
+  // required.
+  columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER, 1,
+                     views::GridLayout::USE_PREF, 0, 0);
   columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::CENTER,
                      0, views::GridLayout::USE_PREF, 0, 0);
 
   layout->StartRow(0, 0);
   layout->AddView(new views::Label(label));
   views::StyledLabel::RangeStyleInfo style_info;
   if (bold_amount)
     style_info.weight = gfx::Font::Weight::BOLD;
 
   std::unique_ptr<views::StyledLabel> amount_label =
@@ skipping 82 matching lines @@
                          total_label_value, true,
                          DialogViewID::ORDER_SUMMARY_TOTAL_AMOUNT_LABEL)
           .release());
 }
 
 void OrderSummaryViewController::UpdatePayButtonState(bool enabled) {
   pay_button_->SetEnabled(enabled);
 }
 
 }  // namespace payments