Inconsistent use of [x] close panel icon. Code changes.

chrome/browser/ui/gtk/confirm_bubble_gtk.cc

Index: chrome/browser/ui/gtk/confirm_bubble_gtk.cc
diff --git a/chrome/browser/ui/gtk/confirm_bubble_gtk.cc b/chrome/browser/ui/gtk/confirm_bubble_gtk.cc
index 782276777f581ccd6f9c9f81ea328469486e9b49..c00463d3e3d3ad2c8263fef328b450bcaee2e282 100644
--- a/chrome/browser/ui/gtk/confirm_bubble_gtk.cc
+++ b/chrome/browser/ui/gtk/confirm_bubble_gtk.cc
@@ -81,7 +81,7 @@ void ConfirmBubbleGtk::Show() {
   gtk_box_pack_start(GTK_BOX(row), title_label, FALSE, FALSE, 0);
   gtk_box_pack_start(GTK_BOX(row), gtk_label_new(NULL), TRUE, TRUE, 0);
 
-  close_button_.reset(CustomDrawButton::CloseButton(theme_service));
+  close_button_.reset(CustomDrawButton::CloseButtonBubble(theme_service));
   g_signal_connect(close_button_->widget(), "clicked",
                    G_CALLBACK(OnCloseButtonThunk), this);
   gtk_box_pack_end(GTK_BOX(row), close_button_->widget(), FALSE, FALSE, 0);