Revert of DevTools: clean up scripts folder

third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/DoDidVisitorAdapter.java

Index: third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/DoDidVisitorAdapter.java
diff --git a/third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/DoDidVisitorAdapter.java b/third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/DoDidVisitorAdapter.java
new file mode 100644
index 0000000000000000000000000000000000000000..e7c349a0c77042dbb3e7f51cbba674b5018d58e8
--- /dev/null
+++ b/third_party/WebKit/Source/devtools/scripts/jsdoc-validator/src/org/chromium/devtools/jsdoc/DoDidVisitorAdapter.java
@@ -0,0 +1,18 @@
+package org.chromium.devtools.jsdoc;
+
+import com.google.javascript.jscomp.NodeTraversal;
+import com.google.javascript.rhino.Node;
+
+public abstract class DoDidVisitorAdapter implements DoDidNodeVisitor, NodeTraversal.Callback {
+
+    @Override
+    public boolean shouldTraverse(NodeTraversal nodeTraversal, Node n, Node parent) {
+        doVisit(n);
+        return true;
+    }
+
+    @Override
+    public void visit(NodeTraversal t, Node n, Node parent) {
+        didVisit(n);
+    }
+}