[WebPayments] Move views-specific code to c/b/ui/views/

chrome/browser/ui/views/payments/payment_request_dialog.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 "base/strings/utf_string_conversions.h"
-#include "chrome/browser/payments/ui/payment_request_dialog.h"
+#include "chrome/browser/payments/payment_request_impl.h"
+#include "chrome/browser/ui/views/payments/payment_request_dialog.h"
 #include "content/public/browser/browser_thread.h"
 #include "ui/views/layout/fill_layout.h"
 
 namespace payments {
 
-PaymentRequestDialog::PaymentRequestDialog(
-    payments::mojom::PaymentRequestClientPtr client)
-    : client_(std::move(client)),
+PaymentRequestDialog::PaymentRequestDialog(PaymentRequestImpl* impl)
+    : impl_(impl),
       label_(new views::Label(base::ASCIIToUTF16("Payments dialog"))) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   SetLayoutManager(new views::FillLayout());
   AddChildView(label_.get());
 }
 
 PaymentRequestDialog::~PaymentRequestDialog() {}
 
 ui::ModalType PaymentRequestDialog::GetModalType() const {
   return ui::MODAL_TYPE_CHILD;
 }
 
 gfx::Size PaymentRequestDialog::GetPreferredSize() const {
   gfx::Size ps = label_->GetPreferredSize();
   ps.Enlarge(200, 200);
   return ps;
 }
 
 bool PaymentRequestDialog::Cancel() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  client_->OnError(payments::mojom::PaymentErrorReason::USER_CANCEL);
+  impl_->Cancel();
   return true;
 }
 
 }  // namespace payments