Revert of DevTools: clean up scripts folder

third_party/WebKit/Source/devtools/scripts/jsdoc_validator/src/org/chromium/devtools/jsdoc/checks/AstUtil.java

Index: third_party/WebKit/Source/devtools/scripts/jsdoc_validator/src/org/chromium/devtools/jsdoc/checks/AstUtil.java
diff --git a/third_party/WebKit/Source/devtools/scripts/jsdoc_validator/src/org/chromium/devtools/jsdoc/checks/AstUtil.java b/third_party/WebKit/Source/devtools/scripts/jsdoc_validator/src/org/chromium/devtools/jsdoc/checks/AstUtil.java
deleted file mode 100644
index b14ab5a9f53e8e9a5609a22529dc8b55d105359c..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/devtools/scripts/jsdoc_validator/src/org/chromium/devtools/jsdoc/checks/AstUtil.java
+++ /dev/null
@@ -1,92 +0,0 @@
-package org.chromium.devtools.jsdoc.checks;
-
-import com.google.common.base.Preconditions;
-import com.google.javascript.rhino.JSTypeExpression;
-import com.google.javascript.rhino.Node;
-import com.google.javascript.rhino.Token;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-public class AstUtil {
-    private static final String PROTOTYPE_SUFFIX = ".prototype";
-
-    static Node parentOfType(Node node, int tokenType) {
-        Node parent = node.getParent();
-        return (parent == null || parent.getType() != tokenType) ? null : parent;
-    }
-
-    /**
-     * Based on NodeUtil#getFunctionNameNode(Node).
-     */
-    static Node getFunctionNameNode(Node node) {
-        Preconditions.checkState(node.isFunction());
-
-        Node parent = node.getParent();
-        if (parent != null) {
-            switch (parent.getType()) {
-                case Token.NAME:
-                    // var name = function() ...
-                    // var name2 = function name1() ...
-                    return parent;
-                // FIXME: Enable the setter and getter checks.
-                // case Token.SETTER_DEF:
-                // case Token.GETTER_DEF:
-                case Token.STRING_KEY:
-                    return parent;
-                case Token.NUMBER:
-                    return parent;
-                case Token.ASSIGN:
-                    int nameType = parent.getFirstChild().getType();
-                    // We only consider these types of name nodes as acceptable.
-                    return nameType == Token.NAME || nameType == Token.GETPROP
-                            ? parent.getFirstChild()
-                            : null;
-                case Token.VAR:
-                    return parent.getFirstChild();
-                default:
-                    Node funNameNode = node.getFirstChild();
-                    // Don't return the name node for anonymous functions
-                    return funNameNode.getString().isEmpty() ? null : funNameNode;
-            }
-        }
-
-        return null;
-    }
-
-    static String getTypeNameFromPrototype(String value) {
-        return value.substring(0, value.length() - PROTOTYPE_SUFFIX.length());
-    }
-
-    static boolean isPrototypeName(String typeName) {
-        return typeName.endsWith(PROTOTYPE_SUFFIX);
-    }
-
-    static Node getAssignedTypeNameNode(Node assignment) {
-        Preconditions.checkState(assignment.isAssign() || assignment.isVar());
-        Node typeNameNode = assignment.getFirstChild();
-        if (typeNameNode.getType() != Token.GETPROP && typeNameNode.getType() != Token.NAME) {
-            return null;
-        }
-        return typeNameNode;
-    }
-
-    static List<Node> getArguments(Node functionCall) {
-        int childCount = functionCall.getChildCount();
-        if (childCount == 1) {
-            return Collections.emptyList();
-        }
-        List<Node> arguments = new ArrayList<>(childCount - 1);
-        for (int i = 1; i < childCount; ++i) {
-            arguments.add(functionCall.getChildAtIndex(i));
-        }
-        return arguments;
-    }
-
-    static String getAnnotationTypeString(JSTypeExpression expression) {
-        return expression.getRoot().getFirstChild().getString();
-    }
-
-    private AstUtil() {}
-}