Fix paths in DOM doc test.

tools/dom/docs/lib/docs.dart

Index: tools/dom/docs/lib/docs.dart
diff --git a/tools/dom/docs/lib/docs.dart b/tools/dom/docs/lib/docs.dart
index a05bd29538fba31a6d8b6c8da1ed49bc39436c9c..190a679fa190f25391a123512fad9f4704654e57 100644
--- a/tools/dom/docs/lib/docs.dart
+++ b/tools/dom/docs/lib/docs.dart
@@ -27,7 +27,7 @@ const List<String> HTML_LIBRARY_NAMES = const ['dart:html',
                                                'dart:web_sql'];
 /**
  * Converts the libraries in [HTML_LIBRARY_NAMES] to a json file at [jsonPath]
- * given the library path at [libPath].
+ * given the library path at [libUri].
  *
  * The json output looks like:
  *     {
@@ -51,13 +51,13 @@ const List<String> HTML_LIBRARY_NAMES = const ['dart:html',
  *
  * Completes to `true` if any errors were encountered, `false` otherwise.
  */
-Future<bool> convert(String libPath, String jsonPath) {
+Future<bool> convert(String libUri, String jsonPath) {
   var paths = <String>[];
   for (var libraryName in HTML_LIBRARY_NAMES) {
     paths.add(libraryName);
   }
 
-  return analyze(paths, libPath, options: ['--preserve-comments'])
+  return analyze(paths, libUri, options: ['--preserve-comments'])
     .then((MirrorSystem mirrors) {
       var convertedJson = _generateJsonFromLibraries(mirrors);
       return _exportJsonToFile(convertedJson, jsonPath);