Add VectorIconButton functionality to ImageButton.

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

Index: chrome/browser/ui/views/payments/payment_request_views_util.h
diff --git a/chrome/browser/ui/views/payments/payment_request_views_util.h b/chrome/browser/ui/views/payments/payment_request_views_util.h
index a15adda171e04819b65b67d7bb3770fe82f293ea..1713ca638a9215d62bf5cdde54fd169aeb208592 100644
--- a/chrome/browser/ui/views/payments/payment_request_views_util.h
+++ b/chrome/browser/ui/views/payments/payment_request_views_util.h
@@ -18,7 +18,7 @@ namespace views {
 class Border;
 class ImageView;
 class Label;
-class VectorIconButtonDelegate;
+class ImageButtonDelegate;
 class View;
 }
 
@@ -52,7 +52,7 @@ enum class PaymentRequestCommonTags {
 std::unique_ptr<views::View> CreateSheetHeaderView(
     bool show_back_arrow,
     const base::string16& title,
-    views::VectorIconButtonDelegate* delegate);
+    views::ImageButtonDelegate* delegate);
 
 // Returns a card image view for the given |card_type|. Includes a rounded rect
 // border. Callers need to set the size of the resulting ImageView.