DevTools: "Delete File" in navigator should actually delete a file

third_party/WebKit/LayoutTests/http/tests/inspector/isolated-filesystem-test.js

Index: third_party/WebKit/LayoutTests/http/tests/inspector/isolated-filesystem-test.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/isolated-filesystem-test.js b/third_party/WebKit/LayoutTests/http/tests/inspector/isolated-filesystem-test.js
index 745022350f9e0f642a854f7c9c1705a8c1c51887..0cd38c9cca03c6384a4ae077a360e498a04f1d61 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/isolated-filesystem-test.js
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/isolated-filesystem-test.js
@@ -14,6 +14,20 @@ InspectorTest.TestFileSystem = function(fileSystemPath)
 InspectorTest.TestFileSystem._instances = {};
 
 InspectorTest.TestFileSystem.prototype = {
+    dumpAsText: function() {
+        var result = [];
+        dfs(this.root, '');
+        result[0] = this.fileSystemPath;
+        return result.join('\n');
+
+        function dfs(node, indent) {
+            result.push(indent + node.name);
+            var newIndent = indent + '    ';
+            for (var child of node._children)
+                dfs(child, newIndent);
+        }
+    },
+
     reportCreated: function(callback)
     {
         var fileSystemPath = this.fileSystemPath;