Revert "Add runtime_data.dart to the whitelist of files with unused members." and "Emit declaration…

sdk/lib/_internal/compiler/implementation/enqueue.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.
 
 part of dart2js;
 
 typedef ItemCompilationContext ItemCompilationContextCreator();
 
 class EnqueueTask extends CompilerTask {
   final ResolutionEnqueuer resolution;
@@ skipping 18 matching lines @@
         name = library.getLibraryOrScriptName();
       } else if (element.isClass) {
         ClassElement cls = element;
         cls.ensureResolved(compiler);
         container = cls;
         for (var link = cls.computeTypeParameters(compiler);
              !link.isEmpty;
              link = link.tail) {
           addMemberByName(link.head.element);
         }
-      } else if (element.isTypedef) {
-       TypedefElement typedef = element;
-       typedef.ensureResolved(compiler);
       }
       allElementsByName[name] = allElementsByName.putIfAbsent(
           name, () => const Link<Element>()).prepend(element);
       if (container != null) {
         container.forEachLocalMember(addMemberByName);
       }
     }
 
     compiler.libraryLoader.libraries.forEach(addMemberByName);
   }
@@ skipping 681 matching lines @@
     }
     CodegenWorkItem workItem = new CodegenWorkItem(
         element, itemCompilationContextCreator());
     queue.add(workItem);
   }
 
   void _logSpecificSummary(log(message)) {
     log('Compiled ${generatedCode.length} methods.');
   }
 }