Fix cr.exportPath()'s @return signature so the result can be used

third_party/closure_compiler/runner/src/com/google/javascript/jscomp/ChromePass.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package com.google.javascript.jscomp;
 
 import com.google.javascript.jscomp.NodeTraversal.AbstractPostOrderCallback;
 import com.google.javascript.rhino.IR;
 import com.google.javascript.rhino.JSDocInfoBuilder;
 import com.google.javascript.rhino.JSTypeExpression;
@@ skipping 239 matching lines @@
     }
 
     private void visitExportPath(Node crExportPathNode, Node parent) {
         if (crExportPathNode.getChildCount() < 2) {
             compiler.report(JSError.make(crExportPathNode, CR_EXPORT_PATH_TOO_FEW_ARGUMENTS));
             return;
         }
 
         Node pathArg = crExportPathNode.getChildAtIndex(1);
         if (pathArg.isString()) {
+            // TODO(dbeam): support cr.exportPath('ns').value.
             createAndInsertObjectsForQualifiedName(parent, pathArg.getString());
         }
     }
 
     private void createAndInsertObjectsForQualifiedName(Node scriptChild, String namespace) {
         List<Node> objectsForQualifiedName = createObjectsForQualifiedName(namespace);
         for (Node n : objectsForQualifiedName) {
             scriptChild.getParent().addChildBefore(n, scriptChild);
         }
     }
@@ skipping 176 matching lines @@
             }
         }
 
         private Node buildQualifiedName(Node internalName) {
             String externalName = this.exports.get(internalName.getString());
             return NodeUtil.newQName(compiler, this.namespaceName + "." + externalName).srcrefTree(
                     internalName);
         }
     }
 }