Switch from DRT to content shell.

utils/apidoc/mdn/extractRunner.js

 var fs = require('fs');
 var util = require('util');
 var exec = require('child_process').exec;
 var path = require('path');
 
 // We have numProcesses extraction tasks running simultaneously to improve
 // performance.  If your machine is slow, you may need to dial back the
 // parallelism.
 var numProcesses = 8;
 
@@ skipping 98 matching lines @@
   var parseArgs = {
     type: type,
     searchResult: entry,
     dartIdl: dartIdl[type]
   };
   fs.writeFileSync(absoluteDumpFileName + ".json", JSON.stringify(parseArgs),
       'utf8');
 
   /*
   // TODO(jacobr): Make this run on platforms other than OS X.
-  var cmd = '../../../client/tests/drt/DumpRenderTree.app/Contents/MacOS/' +
-      'DumpRenderTree ' + absoluteDumpFileName;
+  var cmd = '../../../client/tests/drt/Content Shell.app/Contents/MacOS/' +
+      Content Shell' + absoluteDumpFileName;
   */
   // TODO(eub): Make this run on platforms other than Linux.
-  var cmd = '../../../client/tests/drt/DumpRenderTree ' + absoluteDumpFileName;
+  var cmd = '../../../client/tests/drt/content_shell ' + absoluteDumpFileName;
   console.log(cmd);
   exec(cmd,
     function (error, stdout, stderr) {
       var msgIndex = stdout.indexOf(START_DART_MESSAGE);
       console.log('all: ' + stdout);
       console.log('stderr: ' + stderr);
       if (error !== null) {
         console.log('exec error: ' + error);
       }
 
@@ skipping 51 matching lines @@
       tasks.push(createTask(type, entries[j], j));
     }
   } else {
     console.warn("No crawled files for " + type);
   }
 }
 
 for (var p = 0; p < numProcesses; p++) {
   processNextTask();
 }