Fix index out of bounds with dialog accept_types description (fixes #3779)

libcef/browser/file_dialog_manager.cc

@@ -515,7 +515,9 @@ CefFileDialogManager::MaybeRunDelegate(
             ext_str += FilePathTypeToString16(FILE_PATH_LITERAL(".") + ext);
           }
           accept_extensions.push_back(ext_str);
-          accept_descriptions.push_back(descriptions[i]);
+          if (descriptions.size() == extensions.size()) {
+            accept_descriptions.push_back(descriptions[i]);
+          }
         }
       }
 

libcef/browser/views/widget.cc

@@ -42,6 +42,9 @@ CefWidget* CefWidget::GetForWidget(views::Widget* widget) {
   if (auto window = view_util::GetWindowFor(widget)) {
     if (auto* window_view =
             static_cast<CefWindowImpl*>(window.get())->cef_window_view()) {
+      if (auto widget_view = view_util::GetHostView(widget)) {
+        widget = widget_view->GetWidget();
+      }
       if (window_view->IsChromeStyle()) {
         return static_cast<ChromeBrowserFrame*>(widget);
       }