DevTools: Create extensible QuickOpen control

third_party/WebKit/LayoutTests/http/tests/inspector/persistence/persistence-go-to-file-dialog.html

Index: third_party/WebKit/LayoutTests/http/tests/inspector/persistence/persistence-go-to-file-dialog.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/persistence/persistence-go-to-file-dialog.html b/third_party/WebKit/LayoutTests/http/tests/inspector/persistence/persistence-go-to-file-dialog.html
index 3199c190e3d46c3d61e2e5a0707a636536a235c4..46a65a61ad3b8f15047131ddbc7696083d3b2180 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/persistence/persistence-go-to-file-dialog.html
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/persistence/persistence-go-to-file-dialog.html
@@ -24,8 +24,7 @@ function test()
 
         function goToSourceDialogBeforeBinding(next)
         {
-            dumpGoToSourceDialog();
-            next();
+            dumpGoToSourceDialog(next);
         },
 
         function addFileSystemMapping(next)
@@ -36,21 +35,22 @@ function test()
 
         function goToSourceAfterBinding(next)
         {
-            dumpGoToSourceDialog();
-            next();
+            dumpGoToSourceDialog(next);
         },
     ]);
 
-    function dumpGoToSourceDialog()
+    function dumpGoToSourceDialog(next)
     {
-        UI.panels.sources._sourcesView.showOpenResourceDialog();
-        var dialog = Sources.OpenResourceDialog._instanceForTest;
-        var keys = [];
-        for (var i = 0; i < dialog.itemCount(); ++i)
-            keys.push(dialog.itemKeyAt(i));
-        keys.sort();
-        InspectorTest.addResult(keys.join("\n"));
-        UI.Dialog._instance.detach();
+        QuickOpen.QuickOpen.show('');
+        InspectorTest.addSnifferPromise(QuickOpen.QuickOpen.prototype, '_delegateLoadedForTest').then(delegate => {
+            var keys = [];
+            for (var i = 0; i < delegate.itemCount(); ++i)
+                keys.push(delegate.itemKeyAt(i));
+            keys.sort();
+            InspectorTest.addResult(keys.join("\n"));
+            UI.Dialog._instance.detach();
+            next();
+        });
     }
 };
 </script>