ui/gfx: Remove the deprecated "operator const GdkPixbuf*" from Image API.

chrome/browser/ui/gtk/download/download_item_gtk.cc

Index: chrome/browser/ui/gtk/download/download_item_gtk.cc
diff --git a/chrome/browser/ui/gtk/download/download_item_gtk.cc b/chrome/browser/ui/gtk/download/download_item_gtk.cc
index 9aa7ecfd573e6394ced8935b58a2d1361c1fcbf7..30c063b523cee54048164bf083c6885aeb85e33a 100644
--- a/chrome/browser/ui/gtk/download/download_item_gtk.cc
+++ b/chrome/browser/ui/gtk/download/download_item_gtk.cc
@@ -633,10 +633,10 @@ void DownloadItemGtk::UpdateDangerIcon() {
   } else {
     // Set the warning icon.
     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-    int pixbuf_id = download_model_->IsMalicious() ?
-        IDR_SAFEBROWSING_WARNING : IDR_WARNING;
-    GdkPixbuf* download_pixbuf = rb.GetNativeImageNamed(pixbuf_id);
-    gtk_image_set_from_pixbuf(GTK_IMAGE(dangerous_image_), download_pixbuf);
+    int pixbuf_id = download_model_->IsMalicious() ? IDR_SAFEBROWSING_WARNING
+                                                   : IDR_WARNING;
+    gtk_image_set_from_pixbuf(GTK_IMAGE(dangerous_image_),
+                              rb.GetNativeImageNamed(pixbuf_id).ToGdkPixbuf());
   }
 }