Use bookmark manager to add/edit bookmark pages with webui_dialogs=1.

chrome/browser/ui/gtk/bookmarks/bookmark_bubble_gtk.cc

Index: chrome/browser/ui/gtk/bookmarks/bookmark_bubble_gtk.cc
diff --git a/chrome/browser/ui/gtk/bookmarks/bookmark_bubble_gtk.cc b/chrome/browser/ui/gtk/bookmarks/bookmark_bubble_gtk.cc
index e618c1843f1e3d7e159aa57a173998600da3df82..a27505bab0e6ac7a80f099ccc0419ba6023201e9 100644
--- a/chrome/browser/ui/gtk/bookmarks/bookmark_bubble_gtk.cc
+++ b/chrome/browser/ui/gtk/bookmarks/bookmark_bubble_gtk.cc
@@ -17,6 +17,8 @@
 #include "chrome/browser/bookmarks/bookmark_utils.h"
 #include "chrome/browser/bookmarks/recently_used_folders_combo_model.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
 #include "chrome/common/chrome_notification_types.h"
@@ -306,17 +308,25 @@ void BookmarkBubbleGtk::ShowEditor() {
   // Commit any edits now.
   ApplyEdits();
 
+#if !defined(WEBUI_DIALOGS)
   // Closing might delete us, so we'll cache what we need on the stack.
   Profile* profile = profile_;
   GtkWindow* toplevel = GTK_WINDOW(gtk_widget_get_toplevel(anchor_));
+#endif
 
   // Close the bubble, deleting the C++ objects, etc.
   bubble_->Close();
 
   if (node) {
+#if defined(WEBUI_DIALOGS)
+    Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
+    DCHECK(browser);
+    browser->OpenBookmarkManagerEditNode(node->id());
+#else
     BookmarkEditor::Show(toplevel, profile, NULL,
                          BookmarkEditor::EditDetails(node),
                          BookmarkEditor::SHOW_TREE);
+#endif
   }
 }