Removed some cruft from ApiDoc.

sdk/lib/_internal/dartdoc/lib/dartdoc.dart

 // Copyright (c) 2012, 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.
 
 /**
  * To generate docs for a library, run this script with the path to an
  * entrypoint .dart file, like:
  *
  *     $ dart dartdoc.dart foo.dart
  *
@@ skipping 1447 matching lines @@
    * Documents the source code contained within [location].
    */
   void docCode(SourceLocation location) {
     if (includeSource) {
       writeln('<pre class="source">');
       writeln(md.escapeHtml(unindentCode(location)));
       writeln('</pre>');
     }
   }
 
-  DocComment createDocComment(String text, [ClassMirror inheritedFrom]) =>
-      new DocComment(text, inheritedFrom);
-
   /** Get the doc comment associated with the given library. */
   DocComment getLibraryComment(LibraryMirror library) => getComment(library);
 
   /** Get the doc comment associated with the given type. */
   DocComment getTypeComment(TypeMirror type) => getComment(type);
 
   /**
    * Get the doc comment associated with the given member.
    *
    * If no comment was found on the member, the hierarchy is traversed to find
@@ skipping 23 matching lines @@
             comment = computeComment(inheritedMember);
             if (comment != null) {
               inheritedFrom = type;
               break;
             }
           }
         }
       }
     }
     if (comment == null) return null;
-    return createDocComment(comment, inheritedFrom);
+    return new DocComment(comment, inheritedFrom);
   }
 
   /**
    * Converts [fullPath] which is understood to be a full path from the root of
    * the generated docs to one relative to the current file.
    */
   String relativePath(String fullPath) {
     // Don't make it relative if it's an absolute path.
     if (isAbsolute(fullPath)) return fullPath;
 
@@ skipping 381 matching lines @@
   final ClassMirror inheritedFrom;
 
   DocComment(this.text, [this.inheritedFrom = null]) {
     assert(text != null && !text.trim().isEmpty);
   }
 
   String get html => md.markdownToHtml(text);
 
   String toString() => text;
 }