Add --use-more-webui runtime flag to toggle WebUI replacements for native dialogs.

chrome/browser/ui/views/bookmarks/bookmark_bubble_view.cc

Index: chrome/browser/ui/views/bookmarks/bookmark_bubble_view.cc
diff --git a/chrome/browser/ui/views/bookmarks/bookmark_bubble_view.cc b/chrome/browser/ui/views/bookmarks/bookmark_bubble_view.cc
index 529a13ee75f9d68f81eb873acd2609b79ac3ae2d..ee4ba5899f6e7622b528e7a885d809d1d3ce8882 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_bubble_view.cc
+++ b/chrome/browser/ui/views/bookmarks/bookmark_bubble_view.cc
@@ -366,7 +366,6 @@ void BookmarkBubbleView::ShowEditor() {
   const BookmarkNode* node =
       profile_->GetBookmarkModel()->GetMostRecentlyAddedNodeForURL(url_);
 
-#if !defined(WEBUI_DIALOGS)
 #if defined(USE_AURA)
   NOTIMPLEMENTED();
   gfx::NativeView parent = NULL;
@@ -388,22 +387,15 @@ void BookmarkBubbleView::ShowEditor() {
       static_cast<views::NativeWidgetGtk*>(GetWidget()->native_widget())->
           GetTransientParent());
 #endif
-#endif
 
   // Even though we just hid the window, we need to invoke Close to schedule
   // the delete and all that.
   Close();
 
   if (node) {
-#if defined(WEBUI_DIALOGS)
-    Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
-    DCHECK(browser);
-    browser->OpenBookmarkManagerEditNode(node->id());
-#else
-    BookmarkEditor::Show(parent, profile_, NULL,
-                         BookmarkEditor::EditDetails(node),
+    BookmarkEditor::Show(parent, profile_,
+                         BookmarkEditor::EditDetails::EditNode(node),
                          BookmarkEditor::SHOW_TREE);
-#endif
   }
 }