Remove NULL checks for GObject methods.

As of GLib 2.28 all GObject virtual methods, including constructed(),
are safe to chain up to unconditionally.  Remove unnecessary checks.

12 files changed, 20 insertions, 37 deletions

diff --git a/widgets/table/e-cell-pixbuf.c b/widgets/table/e-cell-pixbuf.c
index 9687e7d392..3bf671b48a 100644
--- a/widgets/table/e-cell-pixbuf.c
+++ b/widgets/table/e-cell-pixbuf.c
@@ -246,13 +246,6 @@ pixbuf_max_width (ECellView *ecell_view, gint model_col, gint view_col)
 }
 
 static void
-pixbuf_dispose (GObject *object)
-{
-	if (G_OBJECT_CLASS (e_cell_pixbuf_parent_class)->dispose)
-		(* G_OBJECT_CLASS (e_cell_pixbuf_parent_class)->dispose) (object);
-}
-
-static void
 pixbuf_set_property (GObject *object,
 		     guint prop_id,
 		     const GValue *value,
@@ -324,7 +317,6 @@ e_cell_pixbuf_class_init (ECellPixbufClass *class)
 	GObjectClass *object_class = G_OBJECT_CLASS (class);
 	ECellClass *ecc = E_CELL_CLASS (class);
 
-	object_class->dispose = pixbuf_dispose;
 	object_class->set_property = pixbuf_set_property;
 	object_class->get_property = pixbuf_get_property;
 
diff --git a/widgets/table/e-table-click-to-add.c b/widgets/table/e-table-click-to-add.c
index d7a1e7f237..773aefc674 100644
--- a/widgets/table/e-table-click-to-add.c
+++ b/widgets/table/e-table-click-to-add.c
@@ -183,8 +183,8 @@ etcta_dispose (GObject *object)
 		g_object_unref (etcta->selection);
 	etcta->selection = NULL;
 
-	if (G_OBJECT_CLASS (etcta_parent_class)->dispose)
-		(*G_OBJECT_CLASS (etcta_parent_class)->dispose) (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (etcta_parent_class)->dispose (object);
 }
 
 static void
diff --git a/widgets/table/e-table-col.c b/widgets/table/e-table-col.c
index 1238d5c017..2eb688e54f 100644
--- a/widgets/table/e-table-col.c
+++ b/widgets/table/e-table-col.c
@@ -74,8 +74,8 @@ etc_dispose (GObject *object)
 	g_free (etc->icon_name);
 	etc->icon_name = NULL;
 
-	if (G_OBJECT_CLASS (e_table_col_parent_class)->dispose)
-		G_OBJECT_CLASS (e_table_col_parent_class)->dispose (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_table_col_parent_class)->dispose (object);
 }
 
 static void
diff --git a/widgets/table/e-table-field-chooser-item.c b/widgets/table/e-table-field-chooser-item.c
index dafd0b79fe..51ab6c1139 100644
--- a/widgets/table/e-table-field-chooser-item.c
+++ b/widgets/table/e-table-field-chooser-item.c
@@ -82,8 +82,8 @@ etfci_dispose (GObject *object)
 		pango_font_description_free (etfci->font_desc);
 	etfci->font_desc = NULL;
 
-	if (G_OBJECT_CLASS (etfci_parent_class)->dispose)
-		(*G_OBJECT_CLASS (etfci_parent_class)->dispose) (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (etfci_parent_class)->dispose (object);
 }
 
 static gint
diff --git a/widgets/table/e-table-field-chooser.c b/widgets/table/e-table-field-chooser.c
index e038271b86..20ecb6edec 100644
--- a/widgets/table/e-table-field-chooser.c
+++ b/widgets/table/e-table-field-chooser.c
@@ -232,8 +232,8 @@ e_table_field_chooser_dispose (GObject *object)
 		g_object_unref (etfc->header);
 	etfc->header = NULL;
 
-	if (G_OBJECT_CLASS (e_table_field_chooser_parent_class)->dispose)
-		(* G_OBJECT_CLASS (e_table_field_chooser_parent_class)->dispose) (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_table_field_chooser_parent_class)->dispose (object);
 }
 
 GtkWidget*
diff --git a/widgets/table/e-table-group-leaf.c b/widgets/table/e-table-group-leaf.c
index 2f287c2abf..7ec55301a0 100644
--- a/widgets/table/e-table-group-leaf.c
+++ b/widgets/table/e-table-group-leaf.c
@@ -106,8 +106,8 @@ etgl_dispose (GObject *object)
 		etgl->selection_model = NULL;
 	}
 
-	if (G_OBJECT_CLASS (etgl_parent_class)->dispose)
-		G_OBJECT_CLASS (etgl_parent_class)->dispose (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (etgl_parent_class)->dispose (object);
 }
 
 static void
diff --git a/widgets/table/e-table-group.c b/widgets/table/e-table-group.c
index 2b6f3e971a..8f67a02ba6 100644
--- a/widgets/table/e-table-group.c
+++ b/widgets/table/e-table-group.c
@@ -73,8 +73,8 @@ etg_dispose (GObject *object)
 		etg->model = NULL;
 	}
 
-	if (G_OBJECT_CLASS (etg_parent_class)->dispose)
-		G_OBJECT_CLASS (etg_parent_class)->dispose (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (etg_parent_class)->dispose (object);
 }
 
 /**
diff --git a/widgets/table/e-table-header-item.c b/widgets/table/e-table-header-item.c
index 2ae10b87f3..1c7f4a2c54 100644
--- a/widgets/table/e-table-header-item.c
+++ b/widgets/table/e-table-header-item.c
@@ -137,8 +137,8 @@ ethi_dispose (GObject *object) {
 		g_object_unref (ethi->config);
 	ethi->config = NULL;
 
-	if (G_OBJECT_CLASS (ethi_parent_class)->dispose)
-		(*G_OBJECT_CLASS (ethi_parent_class)->dispose) (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (ethi_parent_class)->dispose (object);
 }
 
 static gint
diff --git a/widgets/table/e-table-header.c b/widgets/table/e-table-header.c
index df772a3c80..f648a8d765 100644
--- a/widgets/table/e-table-header.c
+++ b/widgets/table/e-table-header.c
@@ -181,8 +181,8 @@ eth_finalize (GObject *object)
 	eth->col_count = 0;
 	eth->columns = NULL;
 
-	if (G_OBJECT_CLASS (e_table_header_parent_class)->finalize)
-		G_OBJECT_CLASS (e_table_header_parent_class)->finalize (object);
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_table_header_parent_class)->finalize (object);
 }
 
 static void
diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c
index 98ce069e81..51e3c9fecd 100644
--- a/widgets/table/e-table-item.c
+++ b/widgets/table/e-table-item.c
@@ -1426,8 +1426,8 @@ eti_dispose (GObject *object)
 		g_free (eti->height_cache);
 	eti->height_cache = NULL;
 
-	if (G_OBJECT_CLASS (eti_parent_class)->dispose)
-		(*G_OBJECT_CLASS (eti_parent_class)->dispose) (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (eti_parent_class)->dispose (object);
 }
 
 static void
diff --git a/widgets/table/e-table-model.c b/widgets/table/e-table-model.c
index 308cdb0c58..3bf5ec5c8f 100644
--- a/widgets/table/e-table-model.c
+++ b/widgets/table/e-table-model.c
@@ -264,19 +264,10 @@ e_table_model_value_to_string (ETableModel *e_table_model, gint col, gconstpoint
 }
 
 static void
-e_table_model_finalize (GObject *object)
-{
-	if (G_OBJECT_CLASS (e_table_model_parent_class)->finalize)
-		(* G_OBJECT_CLASS (e_table_model_parent_class)->finalize)(object);
-}
-
-static void
 e_table_model_class_init (ETableModelClass *class)
 {
 	GObjectClass *object_class = G_OBJECT_CLASS (class);
 
-	object_class->finalize = e_table_model_finalize;
-
 	e_table_model_signals[MODEL_NO_CHANGE] =
 		g_signal_new ("model_no_change",
 			      G_TYPE_FROM_CLASS (object_class),
diff --git a/widgets/table/e-table-selection-model.c b/widgets/table/e-table-selection-model.c
index 7c11d1bd4a..18c0f5ea03 100644
--- a/widgets/table/e-table-selection-model.c
+++ b/widgets/table/e-table-selection-model.c
@@ -237,8 +237,8 @@ etsm_dispose (GObject *object)
 	drop_model (etsm);
 	free_hash (etsm);
 
-	if (G_OBJECT_CLASS (e_table_selection_model_parent_class)->dispose)
-		G_OBJECT_CLASS (e_table_selection_model_parent_class)->dispose (object);
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_table_selection_model_parent_class)->dispose (object);
 }
 
 static void