DO NOT COMMIT: hack hack hacking on preloading md-settings

content/browser/webui/web_ui_data_source_impl.cc

Index: content/browser/webui/web_ui_data_source_impl.cc
diff --git a/content/browser/webui/web_ui_data_source_impl.cc b/content/browser/webui/web_ui_data_source_impl.cc
index 2c091282f99918187a41a59babd6507155453749..b3f2f7674d040cf9feb1e720ea1d1a55ea33d2a4 100644
--- a/content/browser/webui/web_ui_data_source_impl.cc
+++ b/content/browser/webui/web_ui_data_source_impl.cc
@@ -74,6 +74,9 @@ class WebUIDataSourceImpl::InternalDataSource : public URLDataSource {
   bool ShouldDenyXFrameOptions() const override {
     return parent_->deny_xframe_options_;
   }
+  std::vector<std::string> GetPreloadHeaders() const override {
+    return parent_->preload_headers_;
+  }
 
  private:
   WebUIDataSourceImpl* parent_;
@@ -155,6 +158,10 @@ void WebUIDataSourceImpl::SetRequestFilter(
   filter_callback_ = callback;
 }
 
+void WebUIDataSourceImpl::AddPreloadHeader(const std::string& preload_header) {
+  preload_headers_.push_back(preload_header);
+}
+
 void WebUIDataSourceImpl::DisableReplaceExistingSource() {
   replace_existing_source_ = false;
 }
@@ -179,6 +186,10 @@ void WebUIDataSourceImpl::DisableDenyXFrameOptions() {
   deny_xframe_options_ = false;
 }
 
+const std::map<std::string, int>& WebUIDataSourceImpl::path_to_idr_map() const {
+  return path_to_idr_map_;
+}
+
 std::string WebUIDataSourceImpl::GetSource() const {
   return source_name_;
 }