Fix minor WebUI dialog issues, mostly with bookmark management

chrome/browser/ui/cocoa/browser_window_controller.mm

Index: chrome/browser/ui/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller.mm b/chrome/browser/ui/cocoa/browser_window_controller.mm
index 45a5e51f3843fd88ceae33acc820269830b9b068..304bbd37317ff4b8aaae95ba28a5ce00717e0306 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller.mm
@@ -1628,17 +1628,10 @@ enum {
   DCHECK(responds);
   if (responds) {
     const BookmarkNode* node = [sender node];
-    if (node) {
-      // A BookmarkEditorController is a sheet that owns itself, and
-      // deallocates itself when closed.
-      [[[BookmarkEditorController alloc]
-         initWithParentWindow:[self window]
-                      profile:browser_->profile()
-                       parent:node->parent()
-                         node:node
-                configuration:BookmarkEditor::SHOW_TREE]
-        runAsModalSheet];
-    }
+    if (node)
+      BookmarkEditor::Show([self window], browser_->profile(),
+          BookmarkEditor::EditDetails::EditNode(node),
+          BookmarkEditor::SHOW_TREE);
   }
 }