Remove irrelevant TODOs from summary code.

pkg/analyzer/lib/src/summary/resynthesize.dart

 // Copyright (c) 2015, 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.
 
 library summary_resynthesizer;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 1031 matching lines @@
         buildExecutableCommonParts(executableElement, serializedExecutable);
         DartType type;
         if (kind == UnlinkedExecutableKind.getter) {
           executableElement.getter = true;
           type = executableElement.returnType;
         } else {
           executableElement.setter = true;
           type = executableElement.parameters[0].type;
         }
         holder.addAccessor(executableElement);
-        // TODO(paulberry): consider removing implicit variables from the
-        // element model; the spec doesn't call for them, and they cause
-        // trouble when getters/setters exist in different parts.
         PropertyInducingElementImpl implicitVariable;
         if (isTopLevel) {
           implicitVariable = buildImplicitTopLevelVariable(name, kind, holder);
         } else {
           FieldElementImpl field = buildImplicitField(name, type, kind, holder);
           field.static = serializedExecutable.isStatic;
           implicitVariable = field;
         }
         executableElement.variable = implicitVariable;
         if (kind == UnlinkedExecutableKind.getter) {
@@ skipping 442 matching lines @@
    */
   DartType buildType(EntityRef type, {bool defaultVoid: false}) {
     if (type == null) {
       if (defaultVoid) {
         return VoidTypeImpl.instance;
       } else {
         return summaryResynthesizer.typeProvider.dynamicType;
       }
     }
     if (type.paramReference != 0) {
-      // TODO(paulberry): make this work for generic methods.
       return currentTypeParameters[
               currentTypeParameters.length - type.paramReference]
           .type;
     } else {
       DartType getTypeArgument(int i) {
         if (i < type.typeArguments.length) {
           return buildType(type.typeArguments[i]);
         } else {
           return summaryResynthesizer.typeProvider.dynamicType;
         }
@@ skipping 514 matching lines @@
                 }
               : () => this.element;
       // TODO(paulberry): Is it a bug that we have to pass `false` for
       // isInstantiated?
       return new DeferredFunctionTypeImpl(computer, null, typeArguments, false);
     } else {
       return null;
     }
   }
 }