[WebPayments] Add the Payment Method section in the Payment Sheet

components/payments/payment_request_delegate.h

 // 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 COMPONENTS_PAYMENTS_PAYMENT_REQUEST_DELEGATE_H_
 #define COMPONENTS_PAYMENTS_PAYMENT_REQUEST_DELEGATE_H_
 
+namespace autofill {
+class PersonalDataManager;
+}
+
+namespace content {
+class WebContents;
+}
+
 namespace payments {
 
 class PaymentRequest;
 
 class PaymentRequestDelegate {
  public:
   virtual ~PaymentRequestDelegate() {}
 
   // Shows the Payment Request dialog for the given |request|.
   virtual void ShowPaymentRequestDialog(PaymentRequest* request) = 0;
+
+  // Gets the PersonalDataManager associated with |web_contents|'s profile.'
+  virtual autofill::PersonalDataManager* GetDataManagerFromWebContents(
+      content::WebContents* web_contents) = 0;
 };
 
 }  // namespace payments
 
 #endif  // COMPONENTS_PAYMENTS_PAYMENT_REQUEST_DELEGATE_H_