[Web Payments] Add data attribution string to dialog

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

Index: chrome/browser/ui/views/payments/payment_request_dialog_view.cc
diff --git a/chrome/browser/ui/views/payments/payment_request_dialog_view.cc b/chrome/browser/ui/views/payments/payment_request_dialog_view.cc
index 1363aae99018e2e8ad819b8f1b1e0f301adc34c3..0a770a7cab61f6ed9511f1c24c0bcb78dcf19056 100644
--- a/chrome/browser/ui/views/payments/payment_request_dialog_view.cc
+++ b/chrome/browser/ui/views/payments/payment_request_dialog_view.cc
@@ -8,6 +8,7 @@
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/views/payments/contact_info_editor_view_controller.h"
 #include "chrome/browser/ui/views/payments/credit_card_editor_view_controller.h"
@@ -26,6 +27,7 @@
 #include "components/payments/content/payment_request.h"
 #include "components/strings/grit/components_strings.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/web_contents.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/background.h"
 #include "ui/views/controls/label.h"
@@ -294,6 +296,11 @@ void PaymentRequestDialogView::ShowProcessingSpinner() {
   throbber_overlay_.SetVisible(true);
 }
 
+Profile* PaymentRequestDialogView::GetProfile() {
+  return Profile::FromBrowserContext(
+      request_->web_contents()->GetBrowserContext());
+}
+
 void PaymentRequestDialogView::ShowInitialPaymentSheet() {
   view_stack_->Push(CreateViewAndInstallController(
                         base::MakeUnique<PaymentSheetViewController>(