[gtk+] inspector: remove gtk_text_buffer_get_iter_at_line_index() workaround

[Sébastien Wilmet <swilmet src gnome org>]

commit 9d3e9c9375639e00041e5a2704a069634ddf717c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Oct 15 14:10:00 2015 +0200

    inspector: remove gtk_text_buffer_get_iter_at_line_index() workaround
    
    The function is now safe to use.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735341

 gtk/inspector/css-editor.c |   37 ++++++++-----------------------------
 1 files changed, 8 insertions(+), 29 deletions(-)
---
diff --git a/gtk/inspector/css-editor.c b/gtk/inspector/css-editor.c
index 776b3ac..b11329d 100644
--- a/gtk/inspector/css-editor.c
+++ b/gtk/inspector/css-editor.c
@@ -249,27 +249,6 @@ text_changed (GtkTextBuffer         *buffer,
   ce->priv->timeout = g_timeout_add (100, update_timeout, ce); 
 }
 
-/* Safe version of gtk_text_buffer_get_iter_at_line_index(). */
-static void
-safe_get_iter_at_line_index (GtkTextBuffer *buffer,
-                             GtkTextIter   *iter,
-                             gint           line_number,
-                             gint           byte_index)
-{
-  if (line_number >= gtk_text_buffer_get_line_count (buffer))
-    {
-      gtk_text_buffer_get_end_iter (buffer, iter);
-      return;
-    }
-
-  gtk_text_buffer_get_iter_at_line (buffer, iter, line_number);
-
-  if (byte_index < gtk_text_iter_get_bytes_in_line (iter))
-    gtk_text_iter_set_line_index (iter, byte_index);
-  else
-    gtk_text_iter_forward_to_line_end (iter);
-}
-
 static void
 show_parsing_error (GtkCssProvider        *provider,
                     GtkCssSection         *section,
@@ -280,14 +259,14 @@ show_parsing_error (GtkCssProvider        *provider,
   const char *tag_name;
   GtkTextBuffer *buffer = GTK_TEXT_BUFFER (ce->priv->text);
 
-  safe_get_iter_at_line_index (buffer,
-                               &start,
-                               gtk_css_section_get_start_line (section),
-                               gtk_css_section_get_start_position (section));
-  safe_get_iter_at_line_index (buffer,
-                               &end,
-                               gtk_css_section_get_end_line (section),
-                               gtk_css_section_get_end_position (section));
+  gtk_text_buffer_get_iter_at_line_index (buffer,
+                                          &start,
+                                          gtk_css_section_get_start_line (section),
+                                          gtk_css_section_get_start_position (section));
+  gtk_text_buffer_get_iter_at_line_index (buffer,
+                                          &end,
+                                          gtk_css_section_get_end_line (section),
+                                          gtk_css_section_get_end_position (section));
 
   if (g_error_matches (error, GTK_CSS_PROVIDER_ERROR, GTK_CSS_PROVIDER_ERROR_DEPRECATED))
     tag_name = "warning";