[gtk+] docs: add some missing methods

[Cosimo Cecchi <cosimoc src gnome org>]

commit 4abbb698a7b1488fefed12ef72d6b3e326cd3145
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Feb 18 19:30:30 2013 -0500

    docs: add some missing methods

 docs/reference/gtk/gtk3-sections.txt |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index fa8e22d..6062a45 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -5278,6 +5278,8 @@ gtk_widget_get_has_tooltip
 gtk_widget_set_has_tooltip
 gtk_widget_trigger_tooltip_query
 gtk_widget_get_window
+gtk_widget_register_window
+gtk_widget_unregister_window
 gtk_cairo_should_draw_window
 gtk_cairo_transform_to_window
 gtk_widget_get_allocated_width
@@ -5321,6 +5323,11 @@ gtk_widget_get_requisition
 gtk_widget_device_is_shadowed
 gtk_widget_get_modifier_mask
 gtk_widget_insert_action_group
+gtk_widget_add_tick_callback
+gtk_widget_remove_tick_callback
+gtk_widget_get_frame_clock
+gtk_widget_get_opacity
+gtk_widget_set_opacity
 
 <SUBSECTION>
 gtk_widget_get_path
@@ -6489,6 +6496,8 @@ gtk_icon_info_load_symbolic_for_style
 gtk_icon_info_load_symbolic_for_style_async
 gtk_icon_info_load_symbolic_for_style_finish
 gtk_icon_info_load_symbolic_for_context
+gtk_icon_info_load_symbolic_for_context_async
+gtk_icon_info_load_symbolic_for_context_finish
 gtk_icon_info_set_raw_coordinates
 gtk_icon_info_get_embedded_rect
 gtk_icon_info_get_attach_points