Add a script for determining which DOM methods correspond to which HTML methods.

utils/dartdoc/dartdoc.dart

 // Copyright (c) 2011, 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.
 
 /** An awesome documentation generator. */
 #library('dartdoc');
 
 #import('../../frog/lang.dart');
 #import('../../frog/file_system.dart');
 #import('../../frog/file_system_node.dart');
@@ skipping 33 matching lines @@
  * support creating new directories.
  */
 void main() {
   // The entrypoint of the library to generate docs for.
   final libPath = process.argv[2];
 
   files = new NodeFileSystem();
   parseOptions('../../frog', [] /* args */, files);
 
   final elapsed = time(() {
-    _comments = <String, Map<int, String>>{};
+    initializeDartDoc();
 
     initializeWorld(files);
 
     world.processScript(libPath);
     world.resolveAll();
 
     // Clean the output directory.
     if (files.fileExists(outdir)) {
       files.removeDirectory(outdir, recursive: true);
     }
     files.createDirectory(outdir, recursive: true);
 
     // Copy over the static files.
     for (final file in ['interact.js', 'styles.css']) {
       copyStatic(file);
     }
 
     // Generate the docs.
     for (final library in world.libraries.getValues()) {
       docLibrary(library);
     }
 
     docIndex(world.libraries.getValues());
   });
 
   print('Documented $_totalLibraries libraries, $_totalTypes types, and ' +
         '$_totalMembers members in ${elapsed}msec.');
 }
 
+void initializeDartDoc() {
+  _comments = <String, Map<int, String>>{};
+}
+
 /** Copies the static file at 'static/file' to the output directory. */
 copyStatic(String file) {
   var contents = files.readAll(joinPaths('static', file));
   files.writeString(joinPaths(outdir, file), contents);
 }
 
 num time(callback()) {
   // Unlike world.withTiming, returns the elapsed time.
   final watch = new Stopwatch();
   watch.start();
@@ skipping 468 matching lines @@
     if (line.endsWith('*/')) line = line.substring(0, line.length-2);
     line = line.trim();
     while (line.startsWith('*')) line = line.substring(1, line.length);
     line = line.trim();
     buf.add(line);
     buf.add(' ');
   }
 
   return buf.toString();
 }