Update dart:convert and dart:core Uri.

karma.conf.js

 // Karma configuration
 // Generated on Mon Apr 20 2015 06:33:20 GMT-0700 (PDT)
 
 module.exports = function(config) {
   var configuration = {
 
     // base path that will be used to resolve all patterns (eg. files, exclude)
     basePath: '',
 
     // frameworks to use
@@ skipping 11 matching lines @@
       'test/codegen/expect/path/path.js',
       'test/codegen/expect/stack_trace/stack_trace.js',
       'test/codegen/expect/js/js.js',
       'test/codegen/expect/matcher/matcher.js',
       'test/codegen/expect/unittest/unittest.js',
       'test/codegen/expect/syncstar_syntax.js',
       'test/codegen/expect/language/**.js',
       'test/codegen/expect/language/sub/sub.js',
       'test/codegen/expect/language/*.lib',
       'test/codegen/expect/corelib/**.js',
+      'test/codegen/expect/lib/convert/**.js',
+      'test/codegen/expect/lib/html/**.js',
       'test/codegen/expect/lib/typed_data/**.js',
-      'test/codegen/expect/lib/html/**.js',
       'test/browser/*.js',
       'test-main.js',
     ],
 
     // list of files to exclude
     exclude: [
     ],
 
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
@@ skipping 53 matching lines @@
     configuration.browsers = ['chrome_canary_travis'];
     configuration.autoWatch = false;
     // Enable this for more logging on Travis.  It is too much for Travis to
     // automatically display, but still results in a downloadable raw log.
     // configuration.logLevel = config.LOG_DEBUG;
     configuration.client.captureConsole = true;
   }
 
   config.set(configuration);
 };