Fix tests and analysis warnings and release 0.12.0-beta.9.

lib/src/runner/browser/chrome.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.runner.browser.chrome;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
@@ skipping 43 matching lines @@
         "--user-data-dir=$dir",
         url.toString(),
         "--disable-extensions",
         "--disable-popup-blocking",
         "--bwsi",
         "--no-first-run",
         "--no-default-browser-check",
         "--disable-default-apps",
         "--disable-translate"
       ]).then((process) {
+        process.stdout.listen(stdout.add);
+        process.stderr.listen(stderr.add);

[kevmoo, 2015/04/18 00:33:43]

oops?

[nweiz, 2015/04/18 00:36:11]

Done.

         _process = process;
         _onProcessStartedCompleter.complete();
 
         // TODO(nweiz): the browser's standard output is almost always useless
         // noise, but we should allow the user to opt in to seeing it.
         return _process.exitCode;
       });
     }).then((exitCode) {
       if (exitCode == 0) return null;
 
@@ skipping 38 matching lines @@
 
       var path = p.join(prefix, suffix);
       if (new File(p.join(prefix, suffix)).existsSync()) return path;
     }
 
     // Fall back on looking it up on the path. This probably won't work, but at
     // least it will fail with a useful error message.
     return "chrome.exe";
   }
 }