Making bookmark folder context menu display the number of bookmarks that will be opened by Open All

chrome/browser/ui/bookmarks/bookmark_utils_desktop.h

Index: chrome/browser/ui/bookmarks/bookmark_utils_desktop.h
diff --git a/chrome/browser/ui/bookmarks/bookmark_utils_desktop.h b/chrome/browser/ui/bookmarks/bookmark_utils_desktop.h
index 062817bd9367af76de9b86e2116c5bb296f96392..d9c3ef15e75e6ede5902d06119d77a57b8dd5a2b 100644
--- a/chrome/browser/ui/bookmarks/bookmark_utils_desktop.h
+++ b/chrome/browser/ui/bookmarks/bookmark_utils_desktop.h
@@ -47,6 +47,18 @@ void OpenAll(gfx::NativeWindow parent,
              WindowOpenDisposition initial_disposition,
              content::BrowserContext* browser_context);
 
+// Returns the count of bookmarks that would be opened by OpenAll. If
+// |incognito_context| is set, the function will use it to check if the URLs can
+// be opened in incognito mode, which may affect the count.
+int OpenCount(gfx::NativeWindow parent,
+              const std::vector<const bookmarks::BookmarkNode*>& nodes,
+              content::BrowserContext* incognito_context = nullptr);
+
+// Convenience for OpenCount() with a single BookmarkNode.
+int OpenCount(gfx::NativeWindow parent,
+              const bookmarks::BookmarkNode* node,
+              content::BrowserContext* incognito_context = nullptr);
+
 // Asks the user before deleting a non-empty bookmark folder.
 bool ConfirmDeleteBookmarkNode(const bookmarks::BookmarkNode* node,
                                gfx::NativeWindow window);