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

chrome/browser/bookmarks/bookmark_editor.h

Index: chrome/browser/bookmarks/bookmark_editor.h
diff --git a/chrome/browser/bookmarks/bookmark_editor.h b/chrome/browser/bookmarks/bookmark_editor.h
index 39e99eac533544b348867008edc45390edf2b1f5..5b3a6ab43042659f6df6f17999f589e6a85f6052 100644
--- a/chrome/browser/bookmarks/bookmark_editor.h
+++ b/chrome/browser/bookmarks/bookmark_editor.h
@@ -27,7 +27,19 @@ class BookmarkEditor {
   };
 
   // Describes what the user is editing.
-  struct EditDetails {
+  class EditDetails {
+   public:
+    // Returns an EditDetails instance for the user editing the given bookmark.
+    static EditDetails EditNode(const BookmarkNode* node);
+
+    // Returns an EditDetails instance for the user adding a bookmark within
+    // a given parent node.
+    static EditDetails AddNodeInFolder(const BookmarkNode* parent_node);
+
+    // Returns an EditDetails instance for the user adding a folder within a
+    // given parent node.
+    static EditDetails AddFolder(const BookmarkNode* parent_node);
+
     enum Type {
       // The user is editing an existing node in the model. The node the user
       // is editing is set in |existing_node|.
@@ -43,34 +55,50 @@ class BookmarkEditor {
       NEW_FOLDER
     };
 
-    EditDetails();
-    explicit EditDetails(const BookmarkNode* node);
     ~EditDetails();
 
     // See description of enum value for details.
-    Type type;
+    const Type type;
 
     // If type == EXISTING_NODE this gives the existing node.
     const BookmarkNode* existing_node;
 
+    // If type == NEW_URL or type == NEW_FOLDER this gives the parent node
+    // to place the new node in.
+    const BookmarkNode* parent_node;
+
     // If type == NEW_FOLDER, this is the urls/title pairs to add to the
     // folder.
     std::vector<std::pair<GURL, string16> > urls;
+
+   private:
+    explicit EditDetails(Type node_type);
   };
 
-  // Shows the bookmark editor. The bookmark editor allows editing an
+  // Shows the bookmark editor. If --use-more-webui is enabled use the bookmark
+  // manager to add or edit bookmarks. The bookmark editor allows editing an
   // existing node or creating a new bookmark node (as determined by
   // |details.type|). If |configuration| is SHOW_TREE, a tree is shown allowing
   // the user to choose the parent of the node.
   // |parent| gives the initial parent to select in the tree for the node.
   // |parent| is only used if |details.existing_node| is null.
-  // TODO(flackr): Rename this to ShowNative and add cross platform Show method
-  //     which will show a WebUI version of the dialog if --pure-views is set.
   static void Show(gfx::NativeWindow parent_window,
                    Profile* profile,
-                   const BookmarkNode* parent,
                    const EditDetails& details,
                    Configuration configuration);
+
+ private:
+  // Shows the native bookmark editor.
+  // TODO(flackr): Remove parent argument.
+  static void ShowNative(gfx::NativeWindow parent_window,
+                         Profile* profile,
+                         const BookmarkNode* parent,
+                         const EditDetails& details,
+                         Configuration configuration);
+
+  // Shows the WebUI bookmark editor.
+  static void ShowWebUI(Profile* profile,
+                        const EditDetails& details);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_EDITOR_H_