GTK: More 2.18 goodness. Move from macros to real accessor functions.

chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc

Index: chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc
diff --git a/chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc b/chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc
index 062470bda867a70451ec1f8681ac6e883d027741..af78f3540009cdab1d332e329fe7df3069e1b6cb 100644
--- a/chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc
+++ b/chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc
@@ -287,7 +287,7 @@ void BalloonViewImpl::Show(Balloon* balloon) {
   gtk_widget_set_tooltip_text(close_button_->widget(), dismiss_text.c_str());
   g_signal_connect(close_button_->widget(), "clicked",
                    G_CALLBACK(OnCloseButtonThunk), this);
-  GTK_WIDGET_UNSET_FLAGS(close_button_->widget(), GTK_CAN_FOCUS);
+  gtk_widget_set_can_focus(close_button_->widget(), FALSE);
   GtkWidget* close_alignment = gtk_alignment_new(0.0, 0.0, 1.0, 1.0);
   gtk_alignment_set_padding(GTK_ALIGNMENT(close_alignment),
                             kShelfVerticalMargin, kShelfVerticalMargin,
@@ -304,7 +304,7 @@ void BalloonViewImpl::Show(Balloon* balloon) {
                               options_text.c_str());
   g_signal_connect(options_menu_button_->widget(), "button-press-event",
                    G_CALLBACK(OnOptionsMenuButtonThunk), this);
-  GTK_WIDGET_UNSET_FLAGS(options_menu_button_->widget(), GTK_CAN_FOCUS);
+  gtk_widget_set_can_focus(options_menu_button_->widget(), FALSE);
   GtkWidget* options_alignment = gtk_alignment_new(0.0, 0.0, 1.0, 1.0);
   gtk_alignment_set_padding(GTK_ALIGNMENT(options_alignment),
                             kShelfVerticalMargin, kShelfVerticalMargin,