GTK: Use stock icons for bookmark folder and default favicon....

chrome/browser/gtk/bookmark_utils_gtk.h

Index: chrome/browser/gtk/bookmark_utils_gtk.h
===================================================================
--- chrome/browser/gtk/bookmark_utils_gtk.h	(revision 22744)
+++ chrome/browser/gtk/bookmark_utils_gtk.h	(working copy)
@@ -23,12 +23,14 @@
 
 // These functions do not add a ref to the returned pixbuf, and it should not be
 // unreffed.
-GdkPixbuf* GetFolderIcon();
-GdkPixbuf* GetDefaultFavicon();
+// If |native| is true, get the GTK_STOCK version of the icon.
+GdkPixbuf* GetFolderIcon(bool native);
+GdkPixbuf* GetDefaultFavicon(bool native);
 
 // Get the image that is used to represent the node. This function adds a ref
 // to the returned pixbuf, so it requires a matching call to g_object_unref().
-GdkPixbuf* GetPixbufForNode(const BookmarkNode* node, BookmarkModel* model);
+GdkPixbuf* GetPixbufForNode(const BookmarkNode* node, BookmarkModel* model,
+                            bool native);
 
 // Returns a GtkWindow with a visual hierarchy for passing to
 // gtk_drag_set_icon_widget().
@@ -47,8 +49,7 @@
 // Returns the "bookmark-node" property of |widget| casted to the correct type.
 const BookmarkNode* BookmarkNodeForWidget(GtkWidget* widget);
 
-// This function is a temporary hack to fix fonts on dark system themes.
-// TODO(estade): remove this function.
+// Set the colors on |label| as per the theme.
 void SetButtonTextColors(GtkWidget* label, GtkThemeProvider* provider);
 
 // Drag and drop. --------------------------------------------------------------