Add multi-level undo/redo functions to Bookmark Manager Private API.

chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h

Index: chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h
diff --git a/chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h b/chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h
index dca72e89896f3bc724650081cb93a51866f0aef6..a60094e37cccdfa7ab0c2674564a5857c84721de 100644
--- a/chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h
+++ b/chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h
@@ -10,6 +10,8 @@
 #include "chrome/browser/extensions/api/bookmarks/bookmarks_api.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
+#include "chrome/browser/undo/bookmark_undo_service.h"
+#include "chrome/browser/undo/bookmark_undo_service_factory.h"
 
 struct BookmarkNodeData;
 class Profile;
@@ -257,6 +259,58 @@ class BookmarkManagerPrivateRemoveTreesFunction
   virtual bool RunImpl() OVERRIDE;
 };
 
+class BookmarkManagerPrivateUndoFunction
+    : public extensions::BookmarksFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("bookmarkManagerPrivate.undo",
+                             BOOKMARKMANAGERPRIVATE_UNDO)
+
+ protected:
+  virtual ~BookmarkManagerPrivateUndoFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+};
+
+class BookmarkManagerPrivateRedoFunction
+    : public extensions::BookmarksFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("bookmarkManagerPrivate.redo",
+                             BOOKMARKMANAGERPRIVATE_REDO)
+
+ protected:
+  virtual ~BookmarkManagerPrivateRedoFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+};
+
+class BookmarkManagerPrivateGetUndoInfoFunction
+    : public extensions::BookmarksFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("bookmarkManagerPrivate.getUndoInfo",
+                             BOOKMARKMANAGERPRIVATE_UNDOINFO)
+
+ protected:
+  virtual ~BookmarkManagerPrivateGetUndoInfoFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+};
+
+class BookmarkManagerPrivateGetRedoInfoFunction
+    : public extensions::BookmarksFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("bookmarkManagerPrivate.getRedoInfo",
+                             BOOKMARKMANAGERPRIVATE_REDOINFO)
+
+ protected:
+  virtual ~BookmarkManagerPrivateGetRedoInfoFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BOOKMARK_MANAGER_PRIVATE_BOOKMARK_MANAGER_PRIVATE_API_H_