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 53393e66d44a2ff063785efa02281e553c5f9697..c053492f7157d0e186a3bc506e6a2ea5d58d425b 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_bubble_view.cc
+++ b/chrome/browser/ui/views/bookmarks/bookmark_bubble_view.cc
@@ -365,7 +365,6 @@ void BookmarkBubbleView::ShowEditor() {
   const BookmarkNode* node =
       profile_->GetBookmarkModel()->GetMostRecentlyAddedNodeForURL(url_);
 
-#if !defined(WEBUI_DIALOGS)
 #if defined(OS_WIN)
   // Parent the editor to our root ancestor (not the root we're in, as that
   // is the info bubble and will close shortly).
@@ -384,22 +383,15 @@ 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
   }
 }