Run tests on Chrome stable by default

karma.conf.js

 // Karma configuration
 // Generated on Mon Apr 20 2015 06:33:20 GMT-0700 (PDT)
 
 module.exports = function(config) {
   var harmony_flags = '--js-flags="' + [
     '--harmony',
   ].join(' ') + '"';
 
   var configuration = {
 
@@ skipping 56 matching lines @@
     logLevel: config.LOG_INFO,
 
     // enable / disable watching file and executing tests whenever any file changes
     autoWatch: true,
 
     browserNoActivityTimeout: 60000,
     browserDisconnectTolerance: 5,
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-
-    // FIXME(vsm): Once harmony is on by default, we can simply add the following:
-    //   browsers: ['Chrome'],
-    // and remove the custom launchers.
     customLaunchers: {
-      chrome_harmony: {
-        base: 'Chrome',
-        flags: [ harmony_flags ],
-      },
-
-      chrome_canary_harmony: {
-        base: 'ChromeCanary',
-        flags: [ harmony_flags ],
-      },
-
       chrome_travis: {
         base: 'Chrome',
         flags: [ '--no-sandbox', harmony_flags ]
       },
 
       chrome_canary_travis: {
         base: 'ChromeCanary',
         flags: [ '--no-sandbox', harmony_flags ]
       },
     },
-    // TODO(jmesserly): 'chrome_harmony',
-    browsers: ['chrome_canary_harmony'],
+
+    browsers: ['Chrome'],
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits
     singleRun: false,
   };
 
   if (process.env.TRAVIS) {
-    configuration.browsers = ['chrome_canary_travis'];
+    configuration.browsers = ['chrome_travis', 'chrome_canary_travis'];
     configuration.autoWatch = false;
-    configuration.logLevel = config.LOG_DEBUG;
+    // 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);
 };