[Web Payments] Let subsheets define the initial focus

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

Index: chrome/browser/ui/views/payments/payment_request_sheet_controller.h
diff --git a/chrome/browser/ui/views/payments/payment_request_sheet_controller.h b/chrome/browser/ui/views/payments/payment_request_sheet_controller.h
index ac8e917015305687d5b0587f933c04c444b6d2e2..2a790566ad848925a21f53766645d1e570d5ae0c 100644
--- a/chrome/browser/ui/views/payments/payment_request_sheet_controller.h
+++ b/chrome/browser/ui/views/payments/payment_request_sheet_controller.h
@@ -34,6 +34,21 @@ class PaymentRequestSheetController : public views::ButtonListener {
                                 PaymentRequestDialogView* dialog);
   ~PaymentRequestSheetController() override;
 
+  // Creates a view to be displayed in the PaymentRequestDialog. The header view
+  // is the view displayed on top of the dialog, containing title, (optional)
+  // back button, and close buttons.
+  // The content view is displayed between the header view and the pay/cancel
+  // buttons. Also adds the footer, returned by CreateFooterView(), which is
+  // clamped to the bottom of the containing view.  The returned view takes
+  // ownership of the header, the content, and the footer.
+  // +---------------------------+
+  // |        HEADER VIEW        |
+  // +---------------------------+
+  // |          CONTENT          |
+  // |           VIEW            |
+  // +---------------------------+
+  // | EXTRA VIEW | PAY | CANCEL | <-- footer
+  // +---------------------------+
   std::unique_ptr<views::View> CreateView();
 
   PaymentRequestSpec* spec() { return spec_; }
@@ -106,23 +121,6 @@ class PaymentRequestSheetController : public views::ButtonListener {
   virtual bool GetSheetId(DialogViewID* sheet_id);
 
  private:
-  // Creates a view to be displayed in the PaymentRequestDialog.
-  // |header_view| is the view displayed on top of the dialog, containing title,
-  // (optional) back button, and close buttons.
-  // |content_view| is displayed between |header_view| and the pay/cancel
-  // buttons. Also adds the footer, returned by CreateFooterView(), which is
-  // clamped to the bottom of the containing view.  The returned view takes
-  // ownership of |header_view|, |content_view|, and the footer.
-  // +---------------------------+
-  // |        HEADER VIEW        |
-  // +---------------------------+
-  // |          CONTENT          |
-  // |           VIEW            |
-  // +---------------------------+
-  // | EXTRA VIEW | PAY | CANCEL | <-- footer
-  // +---------------------------+
-  std::unique_ptr<views::View> CreatePaymentView();
-
   // Called when the Enter accelerator is pressed. Perform the action associated
   // with the primary button and returns true if it's enabled, returns false
   // otherwise.