gtk/bookmarks: Update the label of some dialog buttons.

chrome/browser/bookmarks/bookmark_folder_editor_controller.cc

Index: chrome/browser/bookmarks/bookmark_folder_editor_controller.cc
diff --git a/chrome/browser/bookmarks/bookmark_folder_editor_controller.cc b/chrome/browser/bookmarks/bookmark_folder_editor_controller.cc
index ef5d8cb31734bc72030b0b0c44419a17407260f9..9338440ec14190a5a129e63aa9b9d4b1aee20032 100644
--- a/chrome/browser/bookmarks/bookmark_folder_editor_controller.cc
+++ b/chrome/browser/bookmarks/bookmark_folder_editor_controller.cc
@@ -50,7 +50,9 @@ BookmarkFolderEditorController::BookmarkFolderEditorController(
       l10n_util::GetStringUTF16(IDS_BOOKMARK_EDITOR_NEW_FOLDER_NAME) :
       node_->GetTitle();
 
-  dialog_ = InputWindowDialog::Create(wnd, title, label, contents, this);
+  dialog_ = InputWindowDialog::Create(wnd, title, label, contents, this,
+      is_new_ ? InputWindowDialog::BUTTON_TYPE_ADD
+              : InputWindowDialog::BUTTON_TYPE_SAVE);
   dialog_->Show();
 }