DevTools: [Persistence] implement automapping

third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js

Index: third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js b/third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js
index 090a09be0ef9d2b063cfdf57d77c51682d1fa97a..18aaab1baef3c0707424a450ec95b43b8f8a3373 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js
@@ -795,6 +795,9 @@ WebInspector.SourcesPanel.prototype = {
     _appendUISourceCodeMappingItems: function(contextMenu, uiSourceCode)
     {
         WebInspector.NavigatorView.appendAddFolderItem(contextMenu);
+
+        if (Runtime.experiments.isEnabled("persistence2"))
+            return;
         if (uiSourceCode.project().type() === WebInspector.projectTypes.FileSystem) {
             var binding = WebInspector.persistence.binding(uiSourceCode);
             if (!binding)